“You have to ask why birds would do this,” says Joe Corbo, a biologist at Washington University in St. Louis. “And one of the leading hypotheses is that the male has elaborate ornaments or colors that ...

Parrots represent one of the most interesting and colourful species of birds. The parrot family, scientifically classified ...

Some birds are feathered tufts of color so resplendent that they stand out brilliantly from their surroundings. "You have to ask why birds would do this," says Joe Corbo, a biologist at Washington ...

Parrots are unique among birds in how they produce the pigmentation that makes their vibrant feathering. It turns out a single enzyme calibrates... How parrot plumage gets its dazzling reds and ...