PETBOOK magazine on MSN

Do you know how old squirrels can get?

You can see them all year round chasing through the trees, cracking nuts, or disappearing swiftly into the leaves—squirrels ...
来自MSN

Squirrels and Their Relatives: The Fascinating World of Rodents

Did you know there are nearly 300 species of squirrels (Sciuridae) worldwide? They vary in size, fur color, lifestyle, and habitat–from tropical rainforests to alpine heights. At PETBOOK, you can ...