Eli5: How are humpback whales able to survive in both tropical temperatures and antarctic ones (when my fat can’t protect from either)?

Question

Eli5: How are humpback whales able to survive in both tropical temperatures and antarctic ones (when my fat can’t protect from either)?

In: 58

Answer 1

You are out in the air, and the air gets very cold. The whales live in the water, and the water doesn’t get nearly as cold. The oceans have currents and huge thermal mass.