Aves or birds, is a class of vertebrate animals distinguished from others like reptiles or mammals in that they have feathers, two legs, wings, and a beak, among other characteristics.
||Wikipedia has a more detailed and comprehensive article on Birds
This category has the following 6 subcategories, out of 6 total.
Pages in category "Birds"
The following 10 pages are in this category, out of 10 total.