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Q&A What evolutionary factors can contribute to large sexual dimorphism in large mammals?

On Earth, the polar bear is among the most sexually dimorphic animals, with males being on average almost twice as heavy as females (Wikipedia claims average weights of 450 kg for males versus 260 ...

3 answers  ·  posted 9y ago by Canina‭  ·  last activity 9y ago by Canina‭

Question earth-like evolution creature-design earth mammals