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Has/is there ever been a creature that reproduces with creatures of another species?
(literature.cafe)
this post was submitted on 26 May 2026
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Just to point out kind is frequently used by proponents of devine/intelligent design pseudoscience to muddy the waters in arguing established biology because terms like species or clade etc refutes their biblical arguments. Not saying that this is what the poster belongs to, it could just be a knowledge gap.
Yes exactly, thanks.
And something many of them can’t understand is that ‘species’ is a very fluid thing. There are no clear boundaries, and it’s just a term we use to wrap our heads round things.
Like with chickens and eggs, there was never a single point where an avian dinosaur gave birth to a bird – it’s not a clear delineation. Something mostly an avian theropod gave birth to something slightly more bird, and this happened over and over, with the slightly more accumulating for millions of years, and you finally get ‘bird’. But there’s no way to point at one generation and say ‘see, it’s now a bird’.
The process is so gradual, you could never point at a thing and say This Is Where Speciation Happened. It doesn’t work that way. Just like you can’t point to a drop of water in the ocean and say This Is Where The Wave Started.