New research suggests crocodiles used to have hot blood and fast metabolisms, but gave it all up to lurk underwater waiting for prey.
Articles on Endotherm animals
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New research shows how marine mammals ignore the rules of biology to thrive in the world’s coldest waters
When you’re warm and cozy inside, it can be natural to wonder if the animals you see outside your window this winter are doing OK. Don’t worry – they’re doing better out there than you would.
Climate was the main factor that triggered the evolution of warm-bloodedness in mammals and the subsequent mammalian evolutionary success.
