The gray wolf, also known as the timber wolf or the ... although nearly pure white, red, or brown to black also occur.

Wolf spiders are large, hairy spiders that are typically brown, gray, or black in color. They have prominent eyes that shine ...

The smallest gray wolf subspecies in North America, the Mexican gray wolf is also one of the rarest and most imperiled mammals on the continent. The U.S. Fish and Wildlife Service (and its predecessor ...