Description | Description:Wolverines are bear-like mammals in the tundra and forests of North America and Northern Eurasia. They are usually brown or brownish-black, striped with yellow or gold from the crown of the head to the shoulders. They have sharp and semi-retractable claws. They are excellent climbers, and skilled swimmers. | Description:Beavers are brown or grey nocturnal animals which build dams in rivers, using sticks, leaves, and mud. They are great in the water, but slow on land, and will slap their flat tails on the water as a sign and warning of distress. |