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Has/is there ever been a creature that reproduces with creatures of another species?
(literature.cafe)
Lions, panthers, leopards, pumas, tigers
this post was submitted on 26 May 2026
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Plenty.
Mules are the result of donkeys and horses mating.
Ligers are the result of lions and tigers mating.
It's literally what the word "hybrid" originally meant: the offspring of two different species.
Horse (equus ferus caballus) + donkey (equus asinus) = mule
In general, the most widely cited definition of what a species even is is a group who's members can produce fertile offspring. But there are still edge cases like ring species, where population A can mate with population B, population B can mate with population C, but A and C can't.
If you'll permit me one of my linguistics tangents, there's an analogous phenomenon called a dialect continuum, where dialect A is intelligible to speakers of dialect B, dialect B is intelligible to speakers of dialect C, but A and C are not mutually intelligible.
There's lions and tigers too. Same deal with offspring being sterile
Whose
Nah, it's definitely 'Horse'
Ligers (products of male lions and female tigers), and tigons (product of female lions and male tigers).
Male ligers are sterile, but female ones can reproduce. Same with tigons.
Humans did. There was regular crossbreeding producing hybrids between Homo sapiens and Neanderthals.
Other species can produce hybrids, but i dont know of any that do so regularly
Clint's reptiles talks about a wasp that there is only males and no females or vice versa. I forget. And they mate with a different species. I can't find the video right now. I'll try and get back to you.
Kind of if the species are very close. The most famous example is probably mule:
https://en.wikipedia.org/wiki/Mule
https://en.wikipedia.org/wiki/Ring_species
What a species is and how genes flow between populations is complex and weird!
Simply put, no.
The nearest you can get to the notion you are trying to explore are crossbreeds between horses and donkeys, dogs and wolves, and captivity involuntary crossbreeding of large cats.
These crossbreedings are only possible because the animals involved share a common ancestor that is still close enough in the evolutionary history to allow the mating, fertilization and subsequent successful carrying of offspring.
Dogs and wolves are so close as species their offspring is completely viable. Dogs (canis familiaris) are technically a sub species of wolves (canis lupus).
Some crossbreeds of big cats are infertile and some are genetically viable. The mating and crossbreeding is possible because all cats are in the same family (felidae), hence, still very close but already far enough between species that offspring may or may not be viable (capable of reproducing afterwards).
Donkeys and horses are already far apart enough that any offspring is completely inviable.
So, by this same logic, the more far apart two species are from their common ancestors, the more difficult it becomes to achieve successful crossbreeding or crossbreeding at all.
A cat and a dog can not crossbreed. A bear and a dog can not crossbreed. Humans and apes can not crossbreed.
No animal, no life form, can successfully reproduce with another if they are not of the same species or do not share very, very close ancestry.
So humans and chimps are genetically further apart than horses and donkeys, wolves and dogs?
Yes.
The common ancestor from which all great apes - chimpanzees, gorillas, orangutans and humans - derived and evolved is so far away in evolutionary history that crossbreeding simply became impossible.
Logic and empiric evidence from other animals, today, suggests there was a period of time where these diverging species could still intermingle and crossbreed. At least in theory. It would be quite hard to take such events as granted and even more to prove it.
What can be asserted is that through a time scale that is incredibly hard to conceptualize for most - millions of years - from a common ancestor several new species evolved, adapting to their environment and changing in response to it, to the point the "cousins" can no longer recognize each other as such.
Yep. Dogs; are because of us ~40,000 years ago, technically a subspecies of wolf. I know horses started in North America, and donkeys in Africa....
That’s sort of impossible by definition.
One of the ways we have defined a species is that it can’t breed with another species, be it due to bio mechanics (the sex organs don’t match), or genetics (mismatched chromosomes etc). Humans have tried to create hybrids of closely related species like horses and donkeys, but the resulting mule is sterile. See also tiger lion hybrids etc.
But even that definition kind of breaks down in some cases:
If it happens, they were already closely related on the species branch, and usually there are issues with their DNA and ability to reproduce themselves because of the slight differences.
Viruses, in a sense.
Donkeys.