* Cats: Cats have sharp claws and retractable claws that help them grip surfaces when they climb.
* Squirrels: Squirrels have long, bushy tails that help them balance when they climb trees.
* Opossums: Opossums have long, prehensile tails that they can use to grip branches when they climb.
* Raccoons: Raccoons have sharp claws and opposable thumbs that help them climb trees.
* Bears: Bears have large, powerful paws with sharp claws that help them climb trees.
* Porcupines: Porcupines have long, sharp quills that help them grip surfaces when they climb trees.
* Skunks: Skunks have sharp claws and opposable thumbs that help them climb trees.
* Armadillos: Armadillos have sharp claws and a bony shell that helps them protect themselves when they climb trees.
* Sloths: Sloths have long, sharp claws that help them hang upside down from trees.