Birds have feathers, two legs, and two wings. They have beaks instead of teeth, and they are vertebrates and warm-blooded. Females also lay eggs. Some bird wings are not used to fly; some are used for swimming.

There are about known 10,000 species of birds.

One example of a bird is the mandarin duck, also known as

They are found in East Asia.

Another example is the keel-billed toucan, also known as
It is sometimes also called the

"rainbow-billed toucan."

http://www.nwf.org/Wildlife/Wildlife-Library/Birds.aspx

http://animaldiversity.ummz.umich.edu/accounts/Aves/