Line #172 Main/BizarreAlienLocomotion


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12	[[quoteright:350:[[Literature/TheSnoutersFormAndLifeOfTheRhinogrades https://static.tvtropes.org/pmwiki/pub/images/imagesjpeg_2_2.jpg]]]]
13	[[caption-width-right:350:It's all fun and games until a little critter gets a bit ''nosey.'']]
14
15	->''"The sheer number of creature possibilities is staggering, and it's impressive how you can give them eighteen legs and seven eyebrows and it'll still somehow find a way to walk and make suggestive poses."''
16	-->-- ''WebAnimation/ZeroPunctuation'' on ''VideoGame/{{Spore}}''
17
18	Thousands of species of RealLife organism move by walking with legs, swimming with fins, or flying with wings. Most SpeculativeFiction species do the same. But whether to showcase the physical demands of a creature's unusual habitat, to prove it can be done, or merely to make them stand out in a crowd, writers sometimes dream up truly weird ways for their creations to get from point A to point B. Wheels are a common example, possibly for the sheer absurdity of the image.
19
20	This trope is not intended for teleportation, plane shifting, and other means of travel that break the laws of physics. (''Bending'' those laws is acceptable, however.) Bizarre technological methods of locomotion belong under the various vehicular tropes.
21
22	SubTrope of BizarreAlienBiology. SuperTrope of HeliCritter. SisterTrope to BizarreAlienLimbs, when that trope is about legs. Usually applies to a LivingGasbag. Compare RollingAttack.
23	----
24	!!Examples:
25
26	[[foldercontrol]]
27
28	[[folder:Rollers]]
29	[[AC:Art]]
30	* Creator/MCEscher's lithographs "Curl-Up" and "House of Stairs" feature creatures called [[http://en.wikipedia.org/wiki/Curl-up "curl-ups"]], which resemble metallic caterpillars with plated bodies and can either curl up and roll, or walk around their weird environment on six humanoid legs.
31
32	[[AC:Films -- Animation]]
33	* A mob of [[MixAndMatchCritters kangadillos]] chase the Crood family around this way in the opening sequence of ''WesternAnimation/TheCroodsANewAge''.
34	* The Flummels from ''WesternAnimation/Extinct2021'' are furry creatures shaped like doughnuts and can move by rolling.
35	* In ''WesternAnimation/HowToTrainYourDragon2'', the two-headed dragons called Zipplebacks reveal a new ability usable in battle: they curl into a ball and roll across the battlefield, breathing out flammable gas and igniting themselves into tumbling balls of fire.
36	* The snails from ''WesternAnimation/{{Turbo}}'' will "tuck and roll", hiding inside their shells to roll down slopes, if they need to move faster than a crawl and/or shield their soft parts while in motion. [[spoiler:This maneuver is how Turbo wins the Indy 500 after he's injured and loses his SuperSpeed just shy of the finish line.]]
37	* Fighting as a cy-bug, King Candy briefly rolls up into a chitinous ball to chase Ralph in ''WesternAnimation/WreckItRalph''.
38
39	[[AC:Films -- Live-Action]]
40	* The Crites from the ''Film/{{Critters}}'' films curl up and roll when they need to move quickly. In one of the films, a whole swarm of them bunch up into a single large rolling ball.
41	* Like the Crites above, Fizzgig from ''Film/TheDarkCrystal'' curls up and rolls whenever his stubby legs won't carry him along fast enough.
42	* ''Film/{{Riddick}}'': The scorpion creatures have perfectly good legs, but in a scene where a horde attack Riddick and Boss John, one of them is seen rolling into the action like the mythical [[{{Ouroboros}} hoop snake]] before unraveling to attack.
43	* The ''Franchise/StarWars'' sequel trilogy has the {{Starfish Robot\|s}} BB-8. To clarify, it's by no means uncommon for robots to get around by rolling. But where other robots would roll on wheels (see R2-D2 from the same franchise) or caterpillar treads (see ''WesternAnimation/WallE''), BB-8 is shaped like a sphere with a free-moving dome on top, so that his whole body can roll around independently of the dome that functions as his head.
44
45	[[AC:Literature]]
46	* ''Literature/{{Cluster}}'':
47	** The Polarians roll around on a single large sphere embedded at the bottom of their tear-shaped bodies.
48	** The Slash of Galaxy Andromeda look something like a farmer's disc-harrow: a Slash rolls around on disc-shaped projections from its cylindrical body.
49	** One of the planets colonized by humans has a whole ecosystem based on organisms that look sort of like Earth organisms, but have wheels instead of feet.
50	* One of the smaller lifeforms from ''Literature/{{Fragment}}'' are wheel-shaped creatures with many forked appendages that protrude from a slot in the edge of the wheel. They roll on their edges, extending their forks to adjust speed or direction.
51	* ''Literature/HisDarkMaterials'': In ''The Amber Spyglass'', the Mulefa clutch giant seed pods in specialized gripping appendages and roll around like living motorcycles. It's mentioned that when they walk, they do so in a rather clumsy and ungainly fashion, due to the placement of their legs (one in front, two in the middle, one in back, like a diamond shape).
52	* ''Literature/LandOfOz'': Wheelers have wheels instead of hands and feet and locomote by rolling around on them.
53	* In the ''Literature/{{Lensman}}'' book ''Galactic Patrol'', the inhabitants of Aldebaran I are the Wheelmen, who are literally wheel-shaped aliens, like a living example of MonowheelMayhem. As you might expect, they move by rolling around like wheels. They also encounter a non-sentient wheel-shaped alien in one of the earlier novels which apparently doesn't have the ability to turn unless it's physically moved; it just keeps rolling in a continuous circle around the entire planet.
54	* ''Literature/TheLongEarth'': In ''The Long Cosmos'', Joshua disturbs a nest of starfish-like burrowing creatures while hiking [[spoiler:on an alien planet halfway to the galactic core]]. The smaller ones cluster on the back of the large one, which folds its arms around them protectively and then rolls away. (It's unclear if this is their normal mode of locomotion, or one specifically used when an adult's appendages are otherwise engaged in shielding its young.)
55	* The Flumpers from ''Literature/NoSuchThings'' are snakes that coil up into a tire shape and roll.
56	* The cover art for ''Literature/TheScienceOfDiscworld III'' shows men riding on a giant tortoise with wheels in place of its feet. This was probably created by the God of Evolution, who'd been working on a wheeled elephant when he'd previously appeared in ''Literature/TheLastContinent''.
57	* ''Literature/SectorGeneral'' has an aquatic example: the Drambon Rollers (classification CLHG) are a toroidal species that literally cannot stop moving or they die, as their circulatory system is powered by the rolling motion.
58	* In ''Literature/{{Strata}}'', paleontologists have named one of the alien {{Precursors}} believed to have engineered aspects of the universe "Wheelers", as they apparently had dome-shaped bodies that rolled on three wheels.
59	* In ''Literature/{{Uplift}}'', g'Keks have bone wheels driven by natural magnets. As they reside on a low technology LostColony with almost no infrastructure, the g'Kek suffer from premature axle and wheel damage due to there being no real roads to speak of.
60
61	[[AC:Live-Action TV]]
62	* ''Series/{{Lexx}}'': Cluster lizards have long flat segmented bodies and roll into hoops that can roll rapidly. They're also predators, so you don't want to get in their way. When Zev/Xev accidentally acquires Cluster lizard DNA, she also acquires the ability to curl up and roll fast, though it's not demonstrated until season 3.
63	* Centigurps in ''Series/OddSquad'' sometimes roll along the floor, at least when the Tribble-like oddities aren't bouncing around like ping-pong balls.
64
65	[[AC:Myths & Religion]]
66	* The mythical "hoop snake" of folklore moves by holding its tail in its mouth and rolling like a wheel, as can the {{tsuchinoko}} of Japanese tales.
67
68	[[AC:Tabletop Games]]
69	* ''TabletopGame/DungeonsAndDragons'': When it needs to travel for any extensive distance, an amphisbaena will grasp one of its necks with the opposite mouth, stiffen itself into a circle, and roll like a hoop.
70
71	[[AC:Toys]]
72	* ''Toys/{{Bionicle}}'', before it became its own theme, offered some weird machine-animal mixes under the ''Franchise/{{LEGO}} Technic'' logo: the Tarakava and Tarakava Nui lizards, Muaka tiger, Kane-Ra bull, Kuma Nui rat, Manas and Mana-Ko crabs are all creatures that had ''tank threads'' for back legs. What's more peculiar is that in the story, everyone regarded these as having honest-to-goodness legs.
73
74	[[AC:Video Games]]
75	* ''VideoGame/BatmanArkhamCity'': Clayface repeatedly turns into a giant rolling ball in an attempt to crush Batman during his BossBattle.
76	* ''VideoGame/TheEternalCylinder'': Trebhum are usually bipedal, but they can curl up into a ball to roll at top speed. There is also an enemy called the Tonglegrop that possesses an acid sac that it can use as a wheel to move faster.
77	* ''Franchise/TheLegendOfZelda'': The Gorons primarily move by rolling. While they can walk, their stubby legs and extremely top-heavy stature make them so slow that they can be outrun by a small human child. However, in ball form, they can roll fast enough to match a half-grown young horse.
78	* ''VideoGame/MarbleKnights'': The characters all have no legs, instead possessing a magical rolling orb as a lower body.
79	* ''VideoGame/Pikmin2'': The Waterwraith usually moves around on stone rollers which it uses to crush your Pikmin, making it an extremely dangerous enemy. It is capable of walking normally on its back legs like a person if its rollers are destroyed.
80	* ''Franchise/SonicTheHedgehog'': Sonic and many of his friends have the ability to curl up into a ball and roll along the ground at high speed. Sometimes they can even "rev up" in place to dash forward with a tremendous burst of speed. Tails the fox instead flies around by [[HeliCritter rotating his twin tails like helicopter blades]].
81	* ''VideoGame/StarCraftII'': Banelings execute this trope with an upgrade (which increases their speed).
82	* ''VideoGame/{{Stellaris}}'' includes these as flavor text -- the "Alien Specimen Procurement' quest chain involves capturing specimens of Uddlorans, described as small furry animals that can wrap themselves into tight balls and roll at up to 80 kilometre per hour across the snow fields of their home planet.
83
84	[[AC:Web Originals]]
85	* ''WebOriginal/{{Polinices}}'': The Rotigrada, also called the Sea Wheels, are ringlike organisms that move by rotating themselves along the seafloor like wheels. Each "segment" of a Sea Wheel is a semi-independent zooid with its own pair of millipede-like legs, mouth, and stomach -- the zooid that is closest to prey when the Sea Wheel rolls after it is the one that gets to swallow the prey.
86
87	[[AC:Websites]]
88	* ''Website/SCPFoundation'': SCP-2086, a type of giant predatory arthropod that mimics public transportation, curls its legs into "wheels" to roll on. This lets it maintain the illusion of being a bus, the better to trick potential victims into boarding.
89	* ''Website/{{Serina}}'': [[https://sites.google.com/site/worldofserina/the-ultimocene-250-million-years/the-cartwheel Cartwheels]] are a species of simiagibs -- tribbets adapted for monkey-like arboreal lifestyles -- that use their clade's distinctive "fractal" limbs and tail, formed by fingers fused into two sub-limbs each before separating again at the tips, to move through the trees by rolling underneath branches. They do this by grasping a branch with their right pair of hands, swinging their tail hands up to grasp it as well, let go of their hands' hold and allow themselves to hang upside down, and swing their left hands up to grasp back at the branch before righting themselves and repeating the cycle. They can move extremely quickly in this manner, grasping and releasing branches several times per second, using gravity to speed up further when fleeing from predators, and on the ground use a variant of their arboreal gait where they essentially roll along like living wheels.
90
91	[[AC:Western Animation]]
92	* ''WesternAnimation/ThreeTwoOnePenguins'': The Wait-Your-Turners (aliens that look like old fashioned electrolux vacuum cleaners) move around via rolling around on their four wheels.
93	* ''WesternAnimation/BatmanTheAnimatedSeries'': Clayface turns into a giant rolling ball in an attempt to crush Batman in his origin episode.
94	* ''WesternAnimation/Ben10'': Ben's Kineceleran form [=XLR8=] has small black wheels on both feet. His Petarola form as Cannonbolt can curl into an armored sphere and roll at high speed.
95	* ''WesternAnimation/{{Futurama}}'': One oddball alien, briefly seen at a health club, has a round green body with stubby legs all around its circumference. It runs on the gym's treadmill by rolling steadily forward.
96	* ''Franchise/LiloAndStitch'': While Stitch has legs, and normally walks, runs, or climbs, he can also curl himself into a ball and roll around with surprising speed. His "cousin" Richter ([[Characters/LiloAndStitchExperiments Experiment 513]]) can also do so, as seen in ''WesternAnimation/LiloAndStitchTheSeries''.
97	* ''WesternAnimation/SamuraiJack'': One of the gladiator champions from "[[Recap/SamuraiJackS2E3JackAndTheSmackback Jack and the Smackback]]", Torto, can curl into a sphere and roll at opponents.
98	* ''WesternAnimation/StarWarsTheCloneWars'': The Lurmen, seen in "[[Recap/StarWarsTheCloneWarsS1E13JediCrash Jeid Crash]]" and "[[Recap/StarWarsTheCloneWarsS1E14DefendersOfPeace Defenders of Peace]]", curl into balls and roll along like wheels rather than run when they want to go fast.
99	* ''WesternAnimation/TeenTitansGo'': Starfire's pet larva Silky occasionally curls up and rolls along the floor.
100
101	[[AC:Real Life]]
102	* Pangolins do this by curling up into a ball. Though it's generally not intentional, merely a side effect of curling up into a ball if they happen to be on a slope.
103	* One tiny species of frog, native to high mountain rock faces, braces its limbs and lets go of the cliff to roll to safety when threatened by a predator. It weighs so little that it seldom gets hurt as it tumbles down slopes.
104	* Gymnastics such as cartwheels or floor-level somersaults are humans' method of invoking this trope.
105	* Some desert-dwelling spiders react to attacks by spider-hunting wasps by fold their legs and rolling away. They try to stay near the tops of sand dunes, since this means they have a much better chance of gaining enough distance to evade the wasp. Spiders that are lower down on sand dunes are much more likely to be caught.
106	* Even flora get in on the roll-around action. The filamentous freshwater alga ''Aegagropila linnaei'' can grow in a ball shape on the bottoms of lakes. Known as "marimo", these algal spheres can't move under their own power, but are light enough to be sent rolling downslope along the lakebed by shifting water currents, out of the reach of grazing waterfowl.
107	[[/folder]]
108
109	[[folder:Hoppers & Bouncers]]
110	[[AC:ComicBooks]]
111	* In ''ComicBook/TheCondemnedLegionnaires'', ComicBook/{{Supergirl}} and the ComicBook/LegionOfSuperHeroes meet one alien species whose large limbless bodies are completely spherical. They move around and attack by rolling and bouncing.
112
113	[[AC:Literature]]
114	* In ''Literature/{{Expedition}}'', several species hop around on one leg.
115	* ''Literature/FengshenYanyi'', Longxuhu is a chimeric monster who moves around hopping on a single, powerful tiger's leg. Much later, [[ClimaxBoss Tongtian Jiaozhu]] shows up riding the Kuiniu, a beast depicted as a giant, monstrous bull with scales with a single clawed leg as his only limb.
116	* ''Literature/TheFutureIsWild'' has the Desert Hopper, a rabbit-sized snail that hops around on a single foot instead of crawling slowly on the ground.
117	* ''Literature/HumanxCommonwealth'': In ''Quofum'', one unnamed race depicted in carvings throughout a ruined city looked like clusters of soft spheres, and ''bounced'' along the ground.
118	* Hoppers in ''Literature/LandOfOz'' are one-legged people who hop around.
119	* The Dufflepuds in ''Literature/TheVoyageOfTheDawnTreader'' are one-legged creatures inspired by the Skiapods from Myth/ClassicalMythology.
120
121	[[AC:Myths & Religion]]
122	* The Skiapods from Myth/ClassicalMythology have one giant foot at the center of their bodies, so they move about with tremendous jumps.
123	* Artwork depicting the pre-Fall GardenOfEden sometimes includes images of a snake balancing or hopping on the tip of its tail, on the grounds that it shouldn't crawl on its belly until after it tempts Eve.
124	* The rubberado, a tongue-in-cheek cryptid from the [[FearsomeCrittersOfAmericanFolklore tall tales of 19th century American lumberjacks]], is a porcupine with rubbery spines and flesh. It bounces around the landscape like a rubber ball, and anyone who eats rubberado meat will bounce around the same way for a few days.
125
126	[[AC:Video Games]]
127	%%* Munch, the [[LastOfHisKind last surviving]] Gabbit in ''VideoGame/OddworldMunchsOddysee''.
128	* ''Franchise/{{Pokemon}}'': Spoink is a pig-like creature with no hind legs. It moves by bouncing on its large spring tail. Said bouncing also causes its heart to pump, so it will die if it stops moving.
129	* Sukiya Podes in ''VideoGame/PuyoPuyo'' series is based on the one-footed Skiapods -- his name is just a Japanization then re-Romanization of Skiapods, to boot.
130
131	[[AC:Web Videos]]
132	* The elastospondyls from ''WebVideo/AlienBiospheres'' have an internal shell that allows them to catapult themselves to catch prey.
133
134	[[AC:Western Animation]]
135	* Lowly Worm from Creator/RichardScarry's ''Busytown'' stands upright on one shoe. In animated adaptations, his boneless body contorts in several ways to move about, depending on circumstances and the artists' preferences: sending ripples down his length, coiling up to bounce like a spring, or folding bow- or zigzag-fashion and then extending to launch himself into the air.
136	* In one episode of ''WesternAnimation/{{Futurama}}'', Earth goes to war against an alien race that are basically intelligent basketballs. Naturally, they mostly get around by bouncing.
137	* ''Franchise/LiloAndStitch'':
138	** Yaarp (a.k.a. [[Characters/LiloAndStitchExperiments Experiment 613]]) from ''WesternAnimation/LiloAndStitchTheSeries'' can hop around using his tail, a la [[Literature/WinnieThePooh Tigger]].
139	** Cannonball (Experiment 520) primarily bounces around on his big butt.
140	* In the ''WesternAnimation/SouthPark'' episode "[[Recap/SouthParkS14E3MedicinalFriedChicken Medicinal Fried Chicken]]", Randy Marsh intentionally gives himself testicular cancer to get a prescription for medical marijuana, and his balls swell up to the point where he can only move around by bouncing on them.
141	* Tigger from ''Franchise/WinnieThePooh'' is depicted bouncing around on his spring-like tail in cartoon adaptations. This probably comes from [[Literature/WinnieThePooh the original stories]], in which Creator/AAMilne's son misunderstood tigers "pouncing" on their prey as "bouncing".
142
143	[[AC:Real Life]]
144	* Springtails, tiny close relatives of insects, have a long springy appendage under their bellies, which they can release to hurl themselves into the air and escape from predators.
145	* Scallops "hop" along the seabed by clapping their shells shut with powerful closure-muscles, causing spurts of water to jet-propel them for short distances.
146	* Humans are capable of hopping on one foot over short distances. Also, using a pogo stick or a similar device invokes this.
147	[[/folder]]
148
149	[[folder:Other Ground-movers]]
150	[[AC:Comic Books]]
151	* Snow dragons of Frigia in the old ''ComicStrip/FlashGordon'' comics would snowboard rapidly down slopes by standing on their own broad, flat tails.
152	* Shaar Q from ''ComicBook/SuperboyAndTheRavers'' uses what appears to be her largest tentacle, but might be a serpentine body analogue, to slither along while holding her head casing, three masses of smaller tentacles and siphons up. Presumably her siphons allow her to use jet propulsion in liquid like a squid or octopus though she's never given a chance to show off as her preeminent ability that affects the story is her ability to plane shift either in whole or with just the tips from two of her tentacle groupings.
153
154	[[AC:Films -- Animation]]
155	* One strange little Halloweentown demon from ''WesternAnimation/TheNightmareBeforeChristmas'' walks around on the tips of its very long, bat-like wings, its plump, stubby-limbed body not touching the ground.
156
157	[[AC:Films -- Live-Action]]
158	* The six-headed shark from a late entry in the ''[[Film/FiveHeadedSharkAttack #-Headed Shark Attack]]'' B-movies used the four heads sprouting from its sides like crude limbs, planting each head's pointed rostrum in the sand in turn, to drag its bulk along the beach.
159	* The aliens in ''Film/EdgeOfTomorrow'' move in a manner that involves whirling their body in a corkscrew-like motion while whipping limbs in every direction.
160	* ''Franchise/StarWars'':
161	** Kitonaks move by extending and contracting their toes. It's very slow, but then again Kitonaks are never in a hurry.
162	** The Dugs walk on their hands, while using their feet for manipulation.
163	* At one point in ''Film/TheThing1982'', a piece of the alien uses an elongated tongue to drag itself along the floor.
164
165	[[AC:Literature]]
166	* ''Literature/AfterManAZoologyOfTheFuture'':
167	** Night stalkers walk bipedally on their forelimbs, while fighting with the long claws on hindlimbs that reach forward. Justified in that they evolved from bats that became flightless due to isolation on an island chain, so their forelimbs were the only ones strong enough to walk on.
168	** The chirit is a squirrel-descended Eurasian tree-dweller which developed a long, weasel-like body plan to survive frigid winters by burrowing deeply into tree trunks for shelter. Its hind legs and tail have fused into a tough bark-gripping pad, letting it swing its lengthy body out to collect nuts while anchored at its back end. Chirits move like inchworms, grasping a branch with their forelimbs as their spines bend in a loop to bring their hind pads forward, then stretching out to find a new grip-spot for their front legs.
169	* The three-legged Jan in ''Literature/AlienInASmallTown'' revolve as they walk, though the Jan are also subterranean burrowers.
170	* ''Literature/{{Expedition}}'' features numerous bizarre examples of locomotion.
171	** The Flipstick is a 60-meter-long pole-like creature that moves by flipping itself on both ends.
172	** The Gyrosprinter is a two-legged animal with one leg in the front and the other in the back (not unlike the Dominic example above). It supposedly evolved from a four-legged ancestor, such that both of its front legs and back legs fused together. It solves the balance issues by developing two balancing organs (similar to the inner ear) on the sides of its body.
173	** Another creature starts out with four legs when young, but the hind legs atrophy as it matures and its hind ''skid'' develops.
174	* ''Literature/TheFutureIsWild'' has the Megasquid, a terrestrial squid that moves around on eight modified pillar-like tentacles (Which have no bones like an elephant's trunk). It moves with a gait not used by any living animal today: moving its first and fourth legs on one side in unison with the second and third legs on the other side.
175	* ''Literature/HumanxCommonwealth'':
176	** The Tran are a race of [[SingleBiomePlanet ice world]] natives with claws on their feet that act as natural ice skates, and sails beneath their arms that let them catch the wind for propulsion. The stavanzer, a gargantuan herbivore from the same icy planet, slides on its belly like a slug, propelled by blasting air out its twin posterior vents and dragging itself forward with two colossal ice-gripping tusks.
177	** The quadrupedal spikers from ''Quofum'' have legs that twirl around in circles, moving up and over their hips between steps, rather than swing forward and back.
178	* The gukuy and owoc from ''Literature/MotherOfDemons'' have two parallel 'rails' which operate much like a snail's foot. They're faster than you might expect, though humans are faster and can get through rougher terrain.
179	* The Skeezaboos from ''Literature/NoSuchThings'' have horns so long that they can and do use them as skis.
180	* The three-legged biots in ''Literature/RendezvousWithRama'' revolve as they walk.
181	* Having no legs, the titular mermaid from ''Literature/TheSingingMermaid'' escapes from the circus after the acrobat teaches her how to handstand. She then walks back to the ocean on her hands.
182	* The Rhinogrades from ''Literature/TheSnoutersFormAndLifeOfTheRhinogrades'' are a group of fictitious mammals, some of which walk on their multiple nasal trunks.
183	* In ''Literature/TheStarBeast'', the eponymous Lummox is an eight legged space dinosaur. It normally moved in a 1,4,5,8,2,3,6,7 gait, good for anything from a slow crawl to as fast as a trotting horse. However, if in a hurry, s/he could move in a double-ended gallop moving legs 1 & 2 & 5 & 6 together, alternated with 3 & 4 & 7 & 8.
184
185	[[AC:Live-Action TV]]
186	* In an extraterrestrial life-themed episode of ''Into the Universe with Creator/StephenHawking'', one of the hypothetical creatures shown is an herbivore with two clawed legs and a huge suction-cup mouth. Using the latter as a temporary anchor, it could walk up and down vertical cliff faces.
187	* One hypothetical desert creature from the "Alien Faces" episode of ''The Universe'' had pillar-like legs anchored to a flat, scaly base that could slowly glide over sand.
188
189	[[AC:Myths & Religion]]
190	* A strange mythical creature in North American folklore was the Sidehill Gouger, a mountain-dwelling creature that resembled a wild boar save for the fact that the legs on one side were much longer than the other two, allowing it to walk on steep hillsides. However, they are unable to turn, and spend their whole lives rotating the mountain in a single direction. Should two opposing Gougers meet, they must fight until one falls off.
191	* The Dahu of Alpine legends is very much the same as the Sidehill Gouger, although it looks more like a goat.
192	* The Wild Haggis of Scotland is another fictional creature with similar legs.
193
194	[[AC:Tabletop Games]]
195	* ''TabletopGame/DungeonsAndDragons'':
196	** The third-party supplement ''Into the Black'' describes a number of exotic cavern-dwelling critters, one of which -- the ice rat -- traverses glacial cavern floors by rolling around in snow until its thick fur is sheathed in ice, with gaps for its head, paws, and rudder-shaped tail. Encased by this form-fitted one-rat toboggan, it slides along incredibly fast, controlling its speed and direction with tail and dragging claws.
197	** The whitespawn iceskidder, one of many strange dragonspawn introduced via the intervention of Tiamat, speed across ice with the elongated skating-claws on their hind feet and twin stabilizing blades alongside the base of the tail.
198
199	[[AC:Video Games]]
200	* The giant bat-monster from the survival/horror game ''The Hunted'' walks on the knuckles of its folded wings, legs dangling beneath its body, much like the Night Stalkers from the ''Literature/AfterManAZoologyOfTheFuture'' example above.
201	* ''VideoGame/{{Oddworld}}'' practically breathes this trope, with several species (Sligs, Glukkons, Gloktigi, etc.) walking on their hands, and that's only scratching the surface.
202	* Mandarins in ''VideoGame/SilentHill2'' dangle and brachiate beneath chain-link floors of the Otherworld, using the circular maws on their arms to maintain their grip.
203	* Sea Treader Leviathans in ''VideoGame/{{Subnautica}}'' traverse the sea floor on two long hind legs and an equally-long, stiff proboscis-like snout.
204
205	[[AC:Webcomics]]
206	* It's never really specified what form of locomotion the Carbosilicate Amorphs of ''Webcomic/SchlockMercenary'' use, but one comment often aimed at one member of the species, Sergeant Schlock, is "you're faster than you look".
207	* One of the species in ''Webcomic/UnicornJelly'' and spinoffs has a tube-shaped body with a foot at each end, and they ambulate by placing one foot on the ground and then arching over to place the other one, etc. Leeches crawl and climb in a similar fashion in RealLife.
208
209	[[AC:Western Animation]]
210	* Franchise/ScoobyDoo has been known to move in fairly bizarre ways while sneaking around, from extending all four legs straight to the sides and toe-walking to pushing his huddled body forward with inchworm-like movements of his tail.
211	* As a fictional human example, ''WesternAnimation/SouthPark'' introduced a form of locomotion that involves sitting on your naked butt with your legs in the air while dragging yourself along with your hands. It's called "Music/{{Taylor Swift}}ing" for some reason, and it becomes a youth fad akin to [[https://en.wikipedia.org/wiki/Planking_(fad) planking]].
212
213	[[AC:Real Life]]
214	* Sidewinders are desert snakes that crawl rapidly across the sand by throwing loops of their own bodies ahead of themselves.
215	** Snakes in general have very specialized ribs with a muscular hinge attached to each one, allowing them to move each rib independently and "walk" like a centipede's legs.
216	* Humans, as far as other mammals are concerned. The majority of mammals are quadrupedal, but bipedalism only evolved a few times in different groups: kangaroos, a few rodent groups (such as gerbils and kangaroo rats), pangolins, bears, and a couple of primate species. Most of these are really only able to hop, or can only walk for a short bit before reverting to all fours again. Only humans can walk on two legs as their main form of locomotion. Doing so with a vertical spine also makes us radically different from Earth's most numerous bipedal walkers, birds.
217	** Skipping is an even weirder variant on humans' already-strange means of walking.
218	** Human infants sometimes find absurd ways of moving before they can walk, such as butt scooting, bunny hopping, leg shuffling, and even back-crawling.
219	** Sideshow performers [[https://en.wikipedia.org/wiki/Johnny_Eck Johnny Eck]] (born with a truncated torso and useless vestigial legs small enough to hide under his clothes) and [[https://en.wikipedia.org/wiki/Prince_Randian Prince Randian]] (born with no limbs at all) moved like this by necessity: Eck by walking on his hands, and Randian by wiggling along like a caterpillar. They were both immortalised in the movie ''Film/{{Freaks}}''.
220	* Dominic, a greyhound that lost both right legs when he was hit by a car, manages to stand, walk, run and even jump on his two left legs, an arrangement never seen in nature.
221	* Creator/JamesHerriot describes a case very similar to Dominic; a dog that got one leg paralysed and the other on the same side broken and refusing to heal. Still worked as a perfectly fine shepherd dog.
222	* Many primates move around in trees by swinging (called "brachiation" in zoological TechnoBabble), but a group of apes known as [[https://en.wikipedia.org/wiki/Gibbon gibbons]] are the fastest brachiators, travelling at up to 55 km/h through treetops. Speaking of apes, orangutans are similarly adapted to living in trees, and their arms are so long that the orangutans sometimes use them like crutches when they have to move about on the ground.
223	* Walruses on shore or icebergs sometimes use their tusks like pitons to help drag their massive bodies along.
224	[[/folder]]
225
226	[[folder:Flyers & Floaters]]
227	[[AC:Blogs]]
228	* ''Blog/HamstersParadise'': The wingles are a member of the lizard-like rattiles that have managed to evolve flight. However, unlike the other flying vertebrates of Earth or HP-02017, they don't use their forelimbs. Instead, they've developed four highly modified scales (which is actually modified hair) with special muscles and flap them rapidly to fly, making their method of flight much closer to that of insects.
229
230	[[AC:Comic Books]]
231	* ''ComicBook/TheUntoldStoryOfArgoCity'' has Zygors, an alien species who travel through the void of space by organic jet propulsion thanks to their tentacles.
232
233	[[AC:Comic Strips]]
234	* ''Franchise/{{Peanuts}}'': Snoopy has occasionally twirled his ears [[HeliCritter like a helicopter's propellers]] to fly around.
235
236	[[AC:Films -- Animation]]
237	* ''WesternAnimation/BattleForTerra'': The aliens can fly and use their tails in a fashion similar to how fish use their tails to swim underwater.
238	* ''WesternAnimation/{{Dumbo}}'': Dumbo the elephant can fly using his oversized ears like wings.
239
240	[[AC:Films -- Live-Action]]
241	%%* ''Film/{{Avatar}}'': The fan lizard.
242	* ''Film/TheDarkCrystal'': Some small pillar-shaped organisms in the swamps fly straight upward with propellers.
243	* ''Film/{{Gamera}}'': Gamera propels himself through the air by spinning like a Frisbee.
244	* ''Franchise/{{Godzilla}}'': Godzilla is sometimes seen propelling himself using his nuclear breath to chase Hedorah, though the physics behind it is murky at best, and he never did so again.
245	* ''Film/Tremors3BackToPerfection'': The [[ExactlyWhatItSaysOnTheTin Assblasters]] take off and fly by organic jet propulsion.
246
247	[[AC:Literature]]
248	* ''Literature/AfterManAZoologyOfTheFuture'': The juvenile parashrew grows a parachute made of hair on the tip of its tail, and uses this to catch the mountain winds, dispersing over distances such a tiny animal couldn't otherwise traverse. The parachute-hairs fall out once it finds a territory of its own.
249	* ''Literature/{{Cluster}}'': One race uses jet propulsion.
250	* ''Literature/{{Discworld}}'': In ''Literature/GuardsGuards'', Errol the swamp dragon manages to reverse the direction his flame comes out from, turning his guts into a chemical rocket and flying by jet propulsion. The lunar dragons from ''Literature/TheLastHero'' use it as their normal mode of propulsion.
251	* ''Literature/{{Expedition}}'':
252	** Jetdarters and skewers use jet propulsion. The former are bug-sized, the latter are... jets.
253	** Eosapiens, the most advanced life form on Darvin IV, are able to hover using large bags of methane gas. In ''Alien Planet'', they are the last life forms encountered by Ike the probe.
254	* ''Literature/HumanxCommonwealth'': The two novels set on Midworld include many alien animals that drift in the air with helium bladders, while in ''Quofum'', there's mention of spiral-winged critters that corkscrew through the air.
255	* ''Literature/KnownSpace'': The Outsiders, aliens that live in zero gravity, get around by expelling weak jets of gas from their thin tentacles.
256	%%* ''Picture Atlas of Our Universe'' has one species from Jupiter called the Jellyblimps.
257	* ''Literature/{{Spellsinger}}'': Squirks use four rotating props to [[HeliCritter hover like helicopters]].
258	* ''Literature/TheStarchildTrilogy'':
259	** The "Spacelings" are friendly, tameable animals which live among the reefs of space, between the stars. They appear to move via a reactionless drive of some sort -- figuring out how they fly is one of Steve Ryland's goals in ''The Reefs of Space.''
260	** Pyropods (Latin for "flamefoot") are living rockets, which also live in the reefs. Their need for reaction mass means they have evolved to be vicious and deadly hunters. Even a baby is enough to take on several humans, and a small pack of adults can destroy and devour a ship!
261
262	[[AC:Tabletop Games]]
263	* ''TabletopGame/RocketAge'': The skies of Jupiter are already home to floating gas bags, but a better example is probably the Eagle Snake. Eagle Snakes are metre-long, lamprey-mouthed creatures that use three gas bags on their ventral side to control their elevation and propel themselves, while using the ridge of thin flesh to squirm through the air.
264
265	[[AC:Toys]]
266	* ''Toys/{{Bionicle}}'': Keelerak spiders can fly by [[InstantFlightJustAddSpinning spinning in the air like a Frisbee]], using their pointy feet to become giant buzzsaws. There are also shore turtles, which are simple turtles, that can, for whatever reason, fly. Though it's never explained how -- they don't have wings or thrusters.
267
268	[[AC:Video Games]]
269	* ''VideoGame/{{Meteos}}'':
270	** The inhabitants of Forte (Faulte in Japan) move about by leaping high into the air and using their parachute-like bodies to slowly descend.
271	** Planet Bavoom seems to be a gas giant, so the creatures on it just drift around the planet's powerful winds.
272	* ''VideoGame/MonsterHunterGenerations Ultimate'': While Valstrax is a faily standard quadruped on the ground, its method of flight is bizarre: it draws in air through an orifice on its chest, compresses it with [[AppliedPhlebotinum Dragon energy]], then ejects the mixture from its wings as it ignites to propel itself. That's right -- it's a living jet engine. The wings themselves also have bizarre flexibility for biological limbs, being able to stretch a surprising distance to stab at prey, or completely flip with the vents pointing forwards so Valstrax can use blasts of Dragon energy [[WeaponizedExhaust as an attack]].
273	* ''VideoGame/{{Pikmin}}'':
274	** The Snitchbugs used to have normal wings, but lost them during their evolution. As a result, they have adapted to flying by rapidly beating their branching antennae.
275	** The Careening Dirigibug from ''VideoGame/Pikmin2'' flies via inflatable sacs that resemble party balloons.
276	* ''VideoGame/UruAgesBeyondMyst'': One of the Ages has disc-shaped creatures that spring up into the air and drift down like parachutes, similar to the Forte creatures listed above.
277
278	[[AC:Real Life]]
279	* The Fairyfly is the smallest known flying insect, measuring less than half the size of a grain of salt. At this size, air itself has a semi-viscous, syrup-like quality, meaning fairyflies don't so much fly as they do swim/pull their way forward with their [[https://c1.staticflickr.com/5/4083/4975948519_82e56e049c_b.jpg oddly shaped wings]].
280	[[/folder]]
281
282	[[folder:Swimmers & Skimmers]]
283	[[AC:Blogs]]
284	* ''Blog/HamstersParadise'': The cricetaceans are a family of marine rodents that resemble Earth's whales and dolphins and as such, appear to propel themselves forward with a fluked tail. However, they evolved from the seal-like bayvers which lacked a tail and swam using their flippers, which means that the cricetaceans' fluke is actually a pair of highly modified immobile hind legs, and they swim by undulating their elongated spines.
285
286	[[AC:Literature]]
287	* In ''Literature/AfterManAZoologyOfTheFuture'', a tiny mammal walks on water like a water strider, using long hairs on its feet to distribute its few grams of weight over the water's surface.
288	* The ocean phantom in ''Literature/TheFutureIsWild'' is a colonial jellyfish-relative that drifts on the surface, using tall flaps of tissue to catch the wind and sail from place to place.
289	* Some of the fish from ''Literature/McElligotsPool''. There are fish with built-in sails or propellers. One fish can ski down underwater slopes. There are even fish who jump off steep waterfalls and parachute down to the river below.
290	* A footnote in ''Literature/{{Nation}}'' describes how the sailfin crocodile (''Crocodylus porosus maritimus'') travels immense distances at the surface of the [[AlternateHistory Great Southern Pelagic Ocean]] using the movable skin-and-cartilage sail on its back to catch the wind.
291	* In ''Literature/SmallFavor'', Dierdre forms her animated blade-hair into a shark-like tail for swimming with when she dives into Lake Michigan.
292	* The Dufflepuds from ''Literature/TheVoyageOfTheDawnTreader'', although forced to bounce on one foot on land (see above), discover that their huge single feet, properly shod in kayak-sized footwear, can be used like canoes. As ''Dawn Treader'' sets sail, a crowd of cheering Dufflepuds stand afloat on the water's surface and, paddling like mad, circle the ship in farewell.
293
294	[[AC:Live-Action TV]]
295	* ''Series/StarTrekVoyager'': The space creatures in "[[Recap/StarTrekVoyagerS2E4Elogium Elogium]]" propel themselves via flagellation, essentially whipping their tails back and forth [[SpaceFriction as a means of moving forward]].
296	* One hypothetical alien creature from ''Series/ThroughTheWormhole'' has a tubular body and vane-shaped fins that propel it through water by rotating like a drill.
297
298	[[AC:Video Games]]
299	* Spinnerfish in ''VideoGame/{{Subnautica}}: Below Zero'' resemble a ball with a starfish lodged inside it vertically, and move by tumbling over and over in the water. In the original game, hoverfish drift freely through the ocean using pad-tipped appendages that ionize the water underneath the pads.
300
301	[[AC:Western Animation]]
302	* Sunspot, Jet's alien pet from ''WesternAnimation/ReadyJetGo'', moves himself underwater by whirling his striped tail like a propeller.
303
304	[[AC:Real Life]]
305	* The Portugese Man O' War is a jellyfish-like colony of microscopic organisms. The main "body" consists of an air-filled balloon that sits on the water's surface and has a flat section on top that it can extend to act as a sail.
306	* Squid and octopuses can use jet propulsion, squirting water out their siphons to quickly move forward. Some have even been seen jetting out of the water.
307	* The stream gobies of Hawaii are small fishes that, while they swim normally, also ascend waterfalls to reach their breeding pools. They cling to the rocks behind the falling water with their mouths and a set of modified pelvic fins that form a suction-cup disc.
308	* A minority theory for why some pterosaurs sported such broad head-crests is that they could use them as sails while sitting on the surface of the water, drifting along without expending any muscular effort.
309	* The remora uses a suction cup on the top of its head to hitch rides on sharks and other large sea creatures rather than swimming on its own.
310	* The ocean sunfish, or mola mola, loses its true tail early in development, and grows a unique pseudo-tail -- the clavus -- from its dorsal and anal fins for an alternate rudder.
311	* Scavenging tideline snails can "ride" the surf by spreading their foot like an underwater sail.
312	* The yellow-bellied sea snake is the only snake known to be able to swim backwards.
313	* Both gymnosomate slugs (sea angels) and thecosomate snails (sea butterflies) have modified the already-weird single gastropod foot to sport paired wing-like lobes, allowing these pelagic mollusks to flap freely though the water.
314	* Some crustaceans, such as ''Daphnia'', swim using their antennae as paddles, as their legs have all become adapted for filter feeding instead of locomotion.
315	[[/folder]]
316
317	[[folder:Most Bizarre]]
318
319	[[AC:Films -- Live-Action]]
320	* The fish-creature from ''Film/TheHost2006'' traverses the undersides of bridges above the Han River by ''doing back flips'', alternately gripping with its two legs and its prehensile tail.
321
322	[[AC:Literature]]
323	* In the ''Literature/{{Animorphs}}'' prequel ''[[Recap/AnimorphsTheAndaliteChronicles The Andalite Chronicles]]'', [[BigBad Visser Thirty-five]] (later Three) has a pair of weird pets that move on wheels -- until their upper bodies detach so that they can attack on wings.
324	* The Elder Things from ''Literature/AtTheMountainsOfMadness'' could somehow travel through ''outer space'' using their fan-shaped wings. The original text depicts them [[ScienceMarchesOn flying through the aether]], but {{Fanon}} insists that their wings are biological solar sails.
325	* In ''Literature/GhostStory'', wraiths that aren't under the direct control of a more powerful entity are described as drifting ethereally through Chicago's ghost-realm, just barely out of contact with the ground, occasionally touching down with their toes to push themselves along. When commanded, they fly freely, suggesting that it's simply their lack of individual willpower that hinders their independent motion.
326	* In "Literature/TheHoundsOfTindalos", the titular Hounds of Tindalos are strange, angular creatures who existed long before single-celled organisms first evolved. They are normally invisible as they inhabit the "angles of time" as opposed to the "curves of time" that humans and other life-forms do. Thus, they can freely travel through time as well as materialize through any corner of a wall or object if it's sharp enough (120 degrees or less). Thus, the only way to avoid getting hunted and eaten by one is to stay in a room with no angles... forever.
327	* ''Literature/HumanxCommonwealth'': In ''Quofum'', a small burrowing creature has a fleshy slot on its back, in which it grips and rotates a hard conical crystal, drilling its way through the soil.
328
329	[[AC:Live-Action TV]]
330	* ''Series/StarTrekTheOriginalSeries'': The Horta in "[[Recap/StarTrekS1E25TheDevilInTheDark The Devil in the Dark]]" is a [[SiliconBasedLife silicon-based organism]] that moves around by actually melting stone with the acid of its body. Spock describes it as "moving through rocks as we move through air".
331	* ''Series/StarTrekVoyager'': In "[[Recap/StarTrekVoyagerS2E26S3E1Basics Basics]]", a cave-lizard has four limbs spaced around its circumference so it can pull itself along the cave roof as well as the ground.
332	* The 1957 ''Series/WaltDisneyPresents'' documentary "Mars and Beyond" includes some depictions of hypothetical Martian wildlife, including several mineral-consuming creatures built like legless armadillos. They use broad banks of oral appendages resembling earth-moving machinery to carve trenches in rocky surfaces, eating the rock they displace, as they slide along the ever-growing trenches on their flat bellies.
333
334	[[AC:Video Games]]
335	* ''VideoGame/{{Meteos}}'':
336	** Globin is a planet-sized living thing; it has an intelligent, sentient civilization comprised of leukocytes traveling around Globin's bloodstream.
337	** The people of Wiral are made of electricity. They normally just float about but prefer to do high-speed travel through electric wires.
338	* The Fleeches in ''VideoGame/{{Oddworld}}: Abe's Exoddus'' are worm-like creatures who move like regular real-life worms, but they can use their MultipurposeTongue as a grappling hook to navigate their environment.
339
340	[[AC:Websites]]
341	* ''Website/{{Serina}}'':
342	** The snuffalo are a species of large, flightless birds that walk tripedally, using their huge bills as a third leg. They rest its blunt tip on the ground when at rest in order to support their massive heads, and when walking they press it down in front of themselves and then use their huge neck muscles to pull themselves towards the spot where it's planted.
343	** The antlears' most distinctive traits are their pronged, keratinized ears, first used to grasp tree branches. These become jointed and enlarged in later species, and the burrowing antlears eventually develop them into a full set of walking limbs. These ear legs start out mainly as a supplementary support in the first burrowing antlear species, but become much more well-developed in their scorplear descendants.
344
345	[[AC:Real Life]]
346	* Whereas most burrowing mammals claw or push their way through the soil, mole rats create their tunnels by scraping away at hard-packed dirt with their enormous buck teeth.
347	[[/folder]]

Context Main / BizarreAlienLocomotion