About Animals / WildlifeAnimals / WildlifeUnderstanding Migration- June 28, 2008 Migration, like flight, is a phenomenon not limited to birds. In general, migration is the annual movement of animals between their breeding grounds and wintering sites. Migration occurs in response...http://animals.about.com/b/2008/06/28/understanding-migration.htm Feather Anatomy and Function- June 25, 2008 Feathers are unique to birds. They are a defining characteristic of the group, meaning simply that if an animal has feathers, then it is a bird. Feathers serve many functions...http://animals.about.com/b/2008/06/25/feather-anatomy-and-function.htm |