How come penguins feet dont' freeze?

Question

No one in my school knows

Answer 1

Maybe because when they stand their body covers their feet

Answer 2

fat, hair, really good circulation

Answer 3

there use to it i guess

Answer 4

probably because they are just thin layers of waxy skin like on seals; without as many nerve ending as there are in our feet.

but thats just a geeky guess to be honest.

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