From long and winding migration flights to intricate songs and clever tool use, many bird behaviors are known to be ...

D. Russell A bird making a nest. Taryn Elliott The nests and eggs of birds have fascinated us for hundreds of years. At its simplest the nest is any structure made by a bird in which eggs are laid ...

Edible bird’s nest is made by a species of cave-dwelling swiftlets. Weaved from their saliva and harvested in caves and man-made nesting houses, bird’s nests are then painstakingly cleaned ...