Whether they’re opening for takeoff, spreading wide for a lazy soar or flapping to brake for landing, bird wings make flying ...

The male sage grouse puffs up, pops air sacs, and dances in leks to win over females in a high-stakes mating ritual.

Using standardised criteria, experts from a range of bird NGOs, including BTO ... across Europe and may also be starting to affect other species such as Collared Dove, Sparrowhawk and Chaffinch. A ...

Males are jet black with long curved tail feathers. They have a slim white stripe in the wing and white feathers under the tail. Females are cryptically camouflaged with finely barred brown and black ...