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Search options not deleted user 377

For questions about the long-term change of a specific species, type of creature, or trait, usually through the process of natural selection and reproduction. Ideal questions focus on traits, not entire creatures. Consider also [creature-design].

6 votes
4 answers
329 views

What evolutionary pressures would lead to being skilled at counting and basic arithmetic?

Let's say we came across a new species of moderately intelligent birds. Like Alex the parrot, these birds are able to learn a few words and simple concepts. But once we teach these birds the words f …
Joe's user avatar
  • 1,628
36 votes
21 answers
7k views

How could a species survive on just luring in and eating humans?

In a question about mermaids, it was proposed that they might have evolved to look like humans to lure them in and prey on them. How could a creature survive on a diet of nothing but lured-in humans? …
Joe's user avatar
  • 1,628