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Questions tagged [animal-locomotion]

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5 votes
5 answers
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Is a four-armed humanoid body-plan as realistic as a centaur-like body-plan?

Many designs for sapient aliens and sapient fantasy races alike - including one of my own - resemble four-armed humanoids; As covered in other questions on this site, a six-limbed vertebrate-analog is ...
Choroflorocarbon's user avatar
8 votes
6 answers
326 views

Control scheme for a dragon

How would one control a dragon while riding it, especially if dynamic control is necessary? Disclaimer: I have never ridden a horse, so my understanding here might be completely wrong. The way I ...
Dakkaron's user avatar
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3 votes
2 answers
127 views

Melusine/Two-tailed Merfolk’s Dual Mobility, Land and Sea

Most people know about the famous Starbuck’s mermaid and her bizarre two tails. Starbuck's Logo However, few know that her origins actually harken back to very old depictions of mermaids that can be ...
Thunderhammer's user avatar
4 votes
4 answers
275 views

Designing barrier to stop only non-hooved animals

We have barriers that stop hooved animals by taking advantage their hooves fitting into slats between metal bars/rods, meaning they refuse to pass the barricade because it limits their mobility. ...
KEY_ABRADE's user avatar
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1 vote
3 answers
137 views

Knuckle walking Biped

Asking about the possibility of a humanoid having its feet be inverted, i.e. knuckle walking with its lower limbs. Basically that the foot looks like acute angle, going forward from an ankle/wrist, ...
tom Bebop's user avatar
4 votes
2 answers
165 views

Can this animal glide?

I'm designing an animal that's kind of like a draco lizard that has evolved to be semi-bipedal like a theropod but is still maintaining its ability to glide. On the real draco, the wings are elongated ...
M Arif Rahman Winandar's user avatar
6 votes
3 answers
289 views

Designing a bipedal/quadrupedal canine

So, in this sci-fi scenario, humans create uplifts or “algernons”; sapient animals created through genetic engineering. Torn between making these animals identical to their counterparts or being more ...
user98816's user avatar
  • 8,625
3 votes
1 answer
125 views

Maximum speed of a slug-like animal

I am designing an alien life form adapted to an Earth-like world, descended from cuttlefish-like ancestors. It has adapted its undulating head-fin as a rippling “foot”, similar to a slug or other ...
user98816's user avatar
  • 8,625
3 votes
3 answers
235 views

Does maximum theoretical sprint speed increase in as extra legs are added and what is the top speed with optimal number of legs?

I read that for 4-legged animals, the cheetah moves close to the max possible speed -- if you tried to add more muscle, the weight of the muscles would start to take away from top sprint speed. I can ...
releseabe's user avatar
  • 197
3 votes
1 answer
215 views

Would a genetically engineered animal with wheels be a viable species? [duplicate]

There have been several discussions both on this website and others about the viability of wheeled animals and why there are no current biological examples of it. A big issue with an animal evolving ...
ITM_Coder's user avatar
  • 1,401
4 votes
3 answers
195 views

How could a two-legged chariot horse gallop?

I have a horse race design I think suits the world I created, but I don’t know how it could actually race. I need to resolve the actual propulsion. In that other question the best answer seemed to be ...
Vogon Poet's user avatar
  • 8,179
7 votes
3 answers
389 views

Biologically what kind of feet would make the least amount of noise?

I'm designing creatures on my made up planet where animals evolved exceptional hearing and I'm wondering what kind of feet they might evolve to produce the least amount of sound when walking to avoid ...
Venik Hue's user avatar
  • 1,222
1 vote
2 answers
88 views

Which scientific and ethical principles could rule an animal society accepting both collaboration (symbiosis) and exploitation (parasitism)? [closed]

BACKGROUND: On many pre-industrial human societies, agriculture, transportation and industry were based on nonhuman animal (referred as "nonhuman" thereafter) exploitation, and more than a ...
J..y B..y's user avatar
  • 175
2 votes
1 answer
77 views

Could papillae or another muscular protrusion act like tube feet on a land-dwelling creature?

I am designing a starfish-like alien and I am wondering if a tube feet like design would work for a large land-dwelling creature? The creature unlike starfish has strong muscles in its limbs which ...
Alan Davies's user avatar
1 vote
3 answers
138 views

I'm not a biologist or an engineer. How do I design legs for a large animal that leaps very long distances?

For designing fictional animals, I'm trying to design one with four appendages that is meant to jump large distances vertically and length-wise and is as large or larger than a human, with hands or ...
StackQuest's user avatar
3 votes
2 answers
72 views

How does a short finless 'fish' move on land?

The fish of this world have been replaced with similar creatures with a highly conserved anatomy. They have only around 4 vertebrae in their torso. Their tail has a few more vertebrae, but still not ...
Ichthys King's user avatar
  • 16.1k
6 votes
3 answers
290 views

Could legs work without knees?

Could an animal realistically move around if it lacked knees in some legs? For specifics, the animal for my world would be a tetrapod-analogue, having 2 large legs (with knees) at the back, and a ...
Ichthys King's user avatar
  • 16.1k
2 votes
1 answer
147 views

How would reverse merfolk navigate on land?

A reverse merfolk is a creature with the head and chest of a fish with the legs and lower parts of a human. While they would be able to walk around by their legs, they may have issues with their ...
Ichthys King's user avatar
  • 16.1k
2 votes
2 answers
173 views

Can a creature have possible locomotion if the legs are positioned in a x formating to the pelvis or this symbol ><

My alien creatures are arthropods: multiple limbs, segmented bodies, etc. Is it possible for them to walk if their legs are placed in a x formation in thier pelvies or similar to the shape of this ...
Erik Sanchez's user avatar
1 vote
2 answers
212 views

Would low-mounted wings work for animal flight?

The dragons of my world, like many historical dragon depictions, have their wings attached to the lowest part of the body, similarly to many planes. This is in contrast to all real winged animals, ...
Ichthys King's user avatar
  • 16.1k
1 vote
1 answer
152 views

I am making a creature with sloth like claws and need to know how it would be used for climbing trees and walking

My question is about my creatures.So in my world i have these creatures that have bladed claws on each leg think like a sloths claws they have 6 limbs in total two strong arms to move from tree to ...
Erik Sanchez's user avatar
1 vote
3 answers
89 views

How does the Egg-Medusa move?

The egg-medusa is a small terrestrial being with a strange appearance: It resembles a human head without any neck, and instead of hair it has many avian heads and necks growing out of it, which cover ...
Ichthys King's user avatar
  • 16.1k
2 votes
1 answer
260 views

How would the crocodile-people move?

The crocodile-people comprise of a large, spell-bound family. Though human in their mind, they are very herptilian on the outside Their head is roughly human, as are their arms. However, their hands ...
Ichthys King's user avatar
  • 16.1k
1 vote
3 answers
174 views

How does the amphiptere move on land? [closed]

The amphiptere is a snake with wings and feathers. While they could likely fly around, the lack of scales would be an obstacle to normal snake/lizard locomotion on the ground What is the most ...
Ichthys King's user avatar
  • 16.1k
0 votes
2 answers
280 views

How could these sirens move on land?

The siren is an amphibious humanoid. They are mostly like humans apart from the limbs: Their arms are large and flipper-like, being used to swim underwater. Their leg is short, and they always have ...
Ichthys King's user avatar
  • 16.1k
1 vote
2 answers
139 views

How does this being take flight?

The being resembles a very large frog. However they are legless, and have a long lizardly tail. They also have a pair of webbed wings held off the ground like a bird What is the most plausible way for ...
Ichthys King's user avatar
  • 16.1k