How do frogs survive winter? Why don't they freeze to death?

Where Do Frogs Go When It's Cold Outside?

10 Animals That Hibernate - Fact Animal

Freezing Frogs The National Environmental Education Foundation (NEEF)

This frog was frozen at the spot. : r/natureismetal

Wood frogs don't pee all winter, and it helps them survive the cold

Frog Encyclopedia MDPI

How do frogs survive the winter?

Winter Magic and Frozen Frogs

Untitled, PDF, Frog

These Zombie Wood Frogs Literally Freeze To Survive the Northern Winter - The Wild Canadian Year

Jeff Mitton: Wood frogs freeze in winter, resume activity in spring – Boulder Daily Camera

Frog - Wikipedia