Mammal

Characteristics: all mammals are warm blooded and are vertebrates. Mammals also have fur on their bodies in order to keep them warm. They also have mammary glands. Mammals are the only group who have an middle ear bone.
Scientific Names: Mammalia, lynx Rufus
- there is approximately 5,416 species in the mammal group.

Hyperlinks:
1.http://animals.about.com/od/mammals/a/mammals-characteristics.htm
2.http://faculty.buffalostate.edu/beaverjf/mammals/tsld009.htm