Green feathers are rare, mostly created by yellow pigment over blue structural colors; but not in African turacos, ... red eyes may be colored by hemoglobin. But in most birds, ...

For most birds, it requires replacing each feather at least once every ... Using data collected from NASA satellites — which shows how green and lush an area is or isn’t — the picture is ...

The endangered kakapo is a flightless bird native to New Zealand. Its population is growing, but its parasites have dwindled.

The rainbow-sheened feathers of the male bird of paradise are an eye-catching way to snag a mate. Now, a new study finds the birds owe their shimmer to feathers that reflect light like mirrors.

Scientists are unearthing the vibrant colours of ancient birds and feathered dinosaurs using advanced technology. Fossil analysis reveals melanosomes, ...

Female green honeycreepers (Chlorophanes spiza) typically have grassy green feathers, while the males are a brilliant blue.However, this individual was green on the left and blue on the right ...

They found that the birds had most likely been kept in captivity and plucked often for their bright red, yellow, blue, and green feathers. To get to the desert, the birds must have been captured ...