The other study, in Molecular Ecology, focused on the critically endangered Yellow-crested Cockatoo (Cacatua sulphurea), native to Indonesia and East Timor, using DNA extracted from 100-year-old ...

Males display bright yellow combs above their eyes and dull-red esophageal air sacs ... FEEDING: Lesser prairie chickens consume insects, leaves, buds and cultivated grains. THREATS: This bird is in ...

the greater sage grouse is a chicken-like bird reaching lengths of up to 30 inches, heights of up to two feet, and weights of four to seven pounds. Males are larger than females and have a white ...