• Sylvartas@lemmy.world
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        2 months ago

        Isn’t it possible that the “new” bird is functionally identical to the extinct one, but achieves this through different genetic mutations ? In that case, would the new bird still be able to breed with the extinct one ?

        • Dr. Coomer@lemmy.world
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          2 months ago

          That is true, but there are subspecies which are made from two similar animals, like a horse and donkey make a mule.

          • Sylvartas@lemmy.world
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            2 months ago

            Yeah, I figured this stuff was way above my biology knowledge. I guess the real question is “what actually makes a subspecies unable to have fertile offspring with another subspecies?”

            And I suspect the answer is a biology paper with a 3 digits number of pages