Sheppard Software
Sheppard Software: Vultures
This site gives an in-depth description of a vulture, including its behavior, appearance, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.
Cornell Lab of Ornithology
Cornell Lab of Ornithology: Black Vulture
The following topics are delved into on this detailed site: cool facts, description, and range. In addition, the sounds of this species can be heard on this site.