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Questions tagged [fauna]

For questions about animal life in general.

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How could small animals survive a decade in this world?

Short version: Living beings in this world take a decade to reach true diversity; how could the beings from rat to fox size live long enough for this? Is hibernation viable? Long version: In this ...
Phoenices's user avatar
  • 101
4 votes
3 answers
154 views

Is rotary motion on an organic being possible? [duplicate]

One huge advantage that machines have over animals is that they can efficiently perform continuous rotary motion, which allows for things like wheels, drills and so on. In fact, rotary motion is so ...
Dakkaron's user avatar
  • 859
4 votes
1 answer
92 views

Could chromatophores function suspended in fluid?

just wondering if there's any way chromatophores could function while suspended in fluid (maybe something similar to hemolymph?) I'm basing this off of mollusk chromatophores in particular, which as ...
fyshsticks's user avatar
2 votes
1 answer
84 views

Practicallity Check of Floating Fish Enclosure

Introduction I would like to start off by saying these are normal fish. The fish are just fish. The fish are not genetically engineered with the exception of say a GloTetra. The fish can be fresh or ...
Idan's user avatar
  • 673
0 votes
3 answers
131 views

Why would someone ever want a horse as their animal companion? [closed]

This is something I've been brainstorming for months now. While Horses would obviously have their uses as cheap labor and other non-combat roles, in a world where it's not uncommon to domesticate and ...
Masakan's user avatar
  • 323
6 votes
5 answers
305 views

Could a species that is intelligent, but non-sentient, be able to create advanced technology? what would the ideal type of civilization be?

I took a single psych class in HS that I just barely passed, so the difference between intelligence and sentience is a little hazy to me. As best as I can understand it, intelligence is the means to ...
BigDumb's user avatar
  • 377
4 votes
3 answers
884 views

What fauna can survive a permanently dark sky?

A few days ago I asked this question. In it asked about flora that could survive under a permanently dark sky. In this regard this regard this question is quite similar. Though now the question is ...
Fallenspacerock's user avatar
15 votes
5 answers
6k views

Life on a planet with never-ending rain

I'm intrigued by the notion of life on a planet where rain is a constant presence. Imagine a world where precipitation never ceases, where the skies are perpetually gray, and the sound of raindrops ...
Alessar's user avatar
  • 521
5 votes
7 answers
1k views

How would an extremely long winter affect an area?

In my world, a specific area of land has been cursed into an eternal winter. The story takes place in a kingdom that is surrounded by deciduous forests similar to ones in north america, and the ...
Jay's user avatar
  • 51
5 votes
2 answers
201 views

Feasibility of cold-blooded Livestock

The research I have done recently (searching through Wikipedia) has yielded that generally cold-blooded animals (Ectotherms) are able to survive on less food that their warm-blooded counterparts, and ...
Rhomaioi's user avatar
  • 1,349
6 votes
21 answers
2k views

Would a futuristic civilization still use animals for ground transportation?

I'm building a fantasy/scifi world, that is set in the distant future,probably in the 10,000's with extremely advanced, basically reality warping technology that allows for things like FTL travel and ...
Risingphoenix_United's user avatar
13 votes
15 answers
5k views

How to make animal husbandry the only agriculture possible

This world is inhabited by carnivorous humans, how they came to be remains a mystery. The geography is typical of a post-glacial world (fjords, lots of lakes, valley steppes, all that good stuff) and ...
Rhomaioi's user avatar
  • 1,349
0 votes
1 answer
115 views

Designing the best Meat livestock [closed]

I have been wondering what would be the best animal to produce meat, excluding insects and artificial meat. The following questions are meant to provide ideas: Would it be better for it to be an ...
Rhomaioi's user avatar
  • 1,349
8 votes
2 answers
269 views

Alternative methods of blood circulation?

So, I've got a parasite, which adapts and grows to keep its (human) host alive. One of the hosts in question has lost their heart, and since the parasite itself, taking the form of vine-like ...
arda_aaa's user avatar
4 votes
1 answer
129 views

What kind of shell would protect against a a stabbing/piercing weapon on a predator's tail?

I'm making a fictional planet with a realistic ecosystem and I'm making a herbivore that is a shelled herd animal and is a main prey target for a carnivore which uses a barbed tail as a weapon. Its ...
That one silverwing's user avatar
27 votes
11 answers
6k views

How can psychic truffles keep humans from eating them?

Psychic truffles are a variety of truffles which have psychic powers to alter the feelings of animals in order to get them to eat them. This allows them to spread their spores through the animals ...
Ichthys King's user avatar
  • 16.2k
1 vote
1 answer
124 views

What sort of mount would a naga use and how? [closed]

Is there any sort of animal (living or extinct) that would be a practical mount for a naga? And how would they be able to ride it? Or is this not a workable idea at all and should I throw out the idea ...
FelixVanHuss's user avatar
3 votes
0 answers
191 views

Which environment would favor sequential sexes as default? [closed]

A couple of years ago, I posted my idea of diachronic hermaphrodites as an answer. In brief, an alien or fantasy species of sentient humanoids goes through up to five phases in life: presexual kids, ...
Crissov's user avatar
  • 2,839
3 votes
1 answer
187 views

What are the factors/conditions that develop blindness in organisms?

I plan that the creatures of my world are usually blind, so they possess sensory organs (barbels) in several variants. The planet where they are found is cloudy and the peat swamps they inhabit are ...
user avatar
-4 votes
1 answer
95 views

Does a deep sea electric ray creature sound plausible?

I was making a species for a school project and would like to know if my idea is plausible. It is kind of barebones though. I was thinking of a deep sea electric ray that uses its tail as a sort of ...
bamaskd's user avatar
3 votes
1 answer
192 views

How could an ecosystem remain stable for millions of years?

I am trying to create an isolated microcontinent where Cretaceous era dinosaurs/and maybe flora (specifically somewhere like Hell Creek) continues to survive with relatively little evolutionary ...
Cato's user avatar
  • 71
8 votes
6 answers
6k views

Could Elk or Reindeer be ridden by human or humanoids?

One of the countries in my world, Izisbesi, is located in the far south and is home to Reindeer and Elk. I was thinking it would be really neat if the locals there traditionally rode those kinds of ...
Dorothy Vivian's user avatar
4 votes
3 answers
5k views

What is the size of the largest possible flying animal? Realistically speaking?

I’d like to create fantasy creatures that can fly using their own realistic physiology without magic or any kind of supernatural power. Many references on the internet mention that popular dragons ...
kmh's user avatar
  • 49
3 votes
2 answers
210 views

In a setting in which South American megafauna and current African animals coexist, which if any could be suitable for domestication?

In my book series, there is a large area of the Planet Aurea called Zebusylvania with a similar climate, flora, and (some) fauna to the Cerrado and Caatinga regions of Brazil in our world. ...
The Weasel Sagas's user avatar
2 votes
2 answers
293 views

How would sensible waste disposal be accomplished for terrestrial creatures in a primitive society? [closed]

Necessary context: Various real animals like birds, foxes and snakes plus fictitious ones like qilins/kirins, gryphons and gloomstalkers (raven-like birds with some minor serpent features) possessing ...
KeturiosBlue's user avatar
2 votes
1 answer
166 views

Which animals do nocturnal humans prefer as livestock? [closed]

Imagine humans as predominantly nocturnal, save the occasional day lark. They have eyes like strepsirrhine primates that grant improved low-light vision but inferior day-vision. For the purposes of ...
Fictotum's user avatar
  • 319
4 votes
2 answers
145 views

Living in natural satellite having an orbital period of 90 earth-minutes to a gas giant that covers all light. How would animal hunters thrive?

Imagine a earth-like planet where life is beginning to thrive at the bottom of the ocean. So far it is an elegant carbon-based lifeform, not different than the one that has burst in our earth. But ...
Tiago Emanuel Monteiro's user avatar
4 votes
4 answers
278 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
  • 13.1k
4 votes
3 answers
2k views

Birds flying or swimming in space

I had a dream. Imagine the Moon as a bird nest the size of a dwarf planet. Flocks of adult birds travel through space to Earth in order to hunt their prey. (imagine gannet birds swimming in space) ...
lollo259's user avatar
  • 433
30 votes
9 answers
5k views

Would crab-cavalry work? [closed]

Basically, giant crabs ridden by humans as cavalry, I just don't know if it's a good idea, and I could use some answers on how to make it work. The setting is medieval fantasy. The Giant Crabs won't ...
Crabalry's user avatar
  • 309
7 votes
8 answers
5k views

Can I have a world without females?

In this world, most things that could be considered animals or animal-like reproduce in a genderless, sexless, or asexual manner, primarily through processes like apomixis or other means excluding ...
user avatar
4 votes
12 answers
1k views

How would life, that thrives on the magic of trees, survive in an area with limited trees?

In my fantasy world, there's 'magic' which is produced by trees; flowing from the roots up to the branches, which send out the magic into the atmosphere, allowing it to flow through all life. Humans ...
Faeology's user avatar
  • 587
4 votes
4 answers
1k views

What could lead to an ability to “share instincts” to evolve? [closed]

So there’s a small animal species that live pretty simple lifestyles of eat, don’t be eaten, reproduce, and that’s it. They live in forest/jungle or swampy environments, eat a wide diet of insects or ...
inkwell87's user avatar
  • 941
4 votes
2 answers
166 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
0 votes
2 answers
196 views

What features will make this creature OP? [closed]

I'm designing several alien worlds, I want each to be very unique. One idea I had (thanks to an online alien fauna generator) was a planet where one species has wiped out all other creatures. It ...
Infinite_Maelstrom's user avatar
14 votes
16 answers
2k views

What would be the easiest way for a fictional civilization to feed carnivorous mounted animals?

Many fictional worlds have their civilizations (usually the bad guys) ride some sort of carnivorous animal, usually something like a wolf or a creodont. Think something like the Wargs from Lord of the ...
user2352714's user avatar
  • 13.9k
3 votes
1 answer
124 views

Critical animal species for temperate rainforest climate

On my terraformed exoplanet, the largest habitable land masses are primarily covered with temperate rainforests (average temperatures from 8 to 18 C) Assume for this question that the bottom of the ...
DMacc1917's user avatar
  • 956
8 votes
3 answers
363 views

Plausible evolutionary path from modern birds to "dragons"

I'm interested in how you could get a creature that is broadly "dragon-like" to evolve from modern-day birds. Considering that some extinct early birds or proto-birds looked pretty reptilian,...
DMacc1917's user avatar
  • 956
2 votes
2 answers
150 views

Plausible evolutionary changes for fauna on a terraformed planet?

My planet is a tidally locked rocky planet (90% Earth surface gravity) orbiting an M-type star. This M-type star orbits a G-type star at roughly 1.5AU. This means that it has a kind of day/night cycle ...
DMacc1917's user avatar
  • 956
6 votes
6 answers
2k views

How effective would this spider's technique be in getting it food/shelter(for its young)/transportation/protection?

So I have this idea for this unique species of jumping spider. Basically it is around a foot long/medium sized hat size and has pretty big fangs for its size. It jumps on to people's heads and uses ...
Conan Highwoods's user avatar
-1 votes
1 answer
106 views

What is the most efficient design for an IR sense organ

Deep beneath the ice-crust of Europa, lies its famous subsurface ocean. Having existed for billions of years, this ocean now harbours a huge range of life forms on its sea floor. However, in trying to ...
user98816's user avatar
  • 8,651
24 votes
13 answers
9k views

How can I give Henry Ford's customers what they want: a faster horse?

I'm working for Henry Ford's engineering department and thought I'd gatecrash your "worldbuilding" forum to do my job for me. Our customer research department tell me that our customers want ...
wokopa's user avatar
  • 4,735
-1 votes
1 answer
172 views

What life could survive in a backrooms-like enviroment [closed]

you know what the backrooms are, you're on the internet. for those who somehow don't: the backrooms is an internet urban legend that entails a pocket dimension that you can get to via no-clipping ...
redfrogcrab's user avatar
  • 1,356
5 votes
5 answers
324 views

Justifying why nonhuman sapients would not develop civilisation [closed]

I am imagining a project where the development of more advanced brain-computer interfaces allow humans to communicate telepathically with animals, and so discover that numerous species on Earth are ...
user98816's user avatar
  • 8,651
3 votes
2 answers
155 views

Colonization of the Siberian taiga by engineering crops and ecosystem

(REVISED) It usually is common sense to believe that any crops would just die within Siberian soil. But I just thought about creating genetically modified crops which are adapted to boreal, permafrost ...
Bangerblade's user avatar
11 votes
4 answers
1k views

How would I go about explaining the science of a world where everything is made of fabrics and craft supplies?

I'm working on a little project called Scrapbook Street where everything is made of fabric and or craft supplies, but while working on the world of the project, I've started to wonder how the world ...
StarreDragon's user avatar
6 votes
3 answers
308 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
  • 8,651
3 votes
2 answers
381 views

What conditions could fish people evolve to be in their current humanoid form?

My fish people live in underwater nations. They look like a mix between the Creature from the Black Lagoon (left) and the sea creatures from Luca: with the exception of some minorities that resemble ...
Crafter's user avatar
  • 2,601
2 votes
3 answers
477 views

What would cause glass to replace calcium carbonate in shells?

Sea creatures have some very pretty shells. Unfortunately, these shells are quite opaque, and much more boring to look at than they could be. So what if they were made of glass. It’s not unheard of, ...
Topcode's user avatar
  • 2,305
7 votes
6 answers
1k views

Balancing ecosystems with monsters [closed]

When worldbuilding, I am trying to fill my world's nature with a lot of dangerous monsters. However, there was something I realized I forgot to do, and something that I notice many fantasy creators ...
Crafter's user avatar
  • 2,601

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