Capable of covering great distances, they have a powerful maternal instinct and are light and fast—they are birds. Explore the origin of birds and their evolution from reptiles. Although all birds have beaks and feathers and lay eggs, adaptation to different environments has made them diverse. Learn about characteristics, distribution, and migration of several different kinds of birds across the globe. Plus, learn how different types of feathers serve very specific purposes on a bird’s body.

Originally released by Cerebellum Corporation, 2013. Streaming video file encoded with permission for digital streaming by Infobase on July 10, 2018.

Birds: Introduction (1:09); --Flight (4:05); -- Reproduction (3:35); -- Variety of Birds (3:14); -- Birds: Summary (2:29); -- Credits: Birds (0:48);.