Are you an avid bird ... the white feathers of their head fan out slightly in the back. Their wings are dark gray with white and brown tips. They also have pale yellow legs and large webbed ...

Their wings are slightly pointed, and just large enough to fit ... The upperside feathers often feature wing bars that make birds easier to identify. And a small, separate group of feathers ...

Ornithologist Carla Dove explains how the microscopic structure of a bird's feather can help identify the species and at the same time, make air travel safer for humans Can We Predict the Universe ...

Birds have feathers and a beak and lay hard-shelled ... It has a deep reddish chest and uses its beak to pick up worms. Large eagles can also be found here in the UK using their long sharp claws ...

A new analysis of a pigeon-sized Archaeopteryx fossil in the collection of the Field Museum in Chicago is revealing an array ...