Convergent evolution is fascinating. Environments produce animals in some way and a similar environment will cause similar animals to evolve again given time.

Convergent evolution is fascinating. Environments produce animals in some way and a similar environment will cause similar animals to evolve again given time. New Zealand's kiwi is a bird version of a mouse because mice weren't around to fill that niche. There are many examples that are bafflingly similar yet share very distant common ancestors: https://en.m.wikipedia.org/wiki/List_of_examples_of_convergent_evolution https://en.m.wikipedia.org/wiki/List_of_examples_of_converge... Makes you wonder if the sci fi with human looking aliens is not so far off.