Birds and humans

Why are we so fascinated with birds From the earliest cave paintings and ceramic effigies of prehistoric humans to the present, we find close links between birds and ourselves. Those links are related to several things that draw us together (1) our fascination with and envy of the ability of birds to fly (2) the meat and eggs they provide us (3) their colorful plumage that we admire and often use to decorate our own attire (4) their down feathers that we use for insulation, and other feathers...

Avian migration and navigation

Ornithologists typically think of migration in terms of the dramatic round-trip journeys undertaken by species that move between high and low latitudes. Even in birds, however, migrations of many types occur that vary in regularity of occurrence, duration, and distance covered. The theme that ties the various types of migration together is that they are all evolved adaptations to fluctuating environmental conditions that render some areas uninhabitable during some portion of the year. The...