In Arizona's Sky Islands, dry summers may be pushing some bird species away from traditional migratory routes.

There are so many beautiful birds on this planet that ... It is also elegant in flight, with the largest birds having a ...

The Ruppell's Griffon vulture soars to 11,278 meters, followed by Common cranes and Alpine Choughs at about 8,000 meters, Bar ...

South Africa's bird-of-paradise (Strelitzia reginae) is a member of the banana family. It sports a beautiful flower believed to resemble the avian bird of paradise in flight.

The beautiful blue Spix's macaw of the ... in comparison weighs a mere six ounces -- the demands of flight greatly limit the size of a bird's egg. The brown kiwi of New Zealand lays 2-3 huge ...

The Smithsonian celebrates beautiful birds in our museums, our research centers, our gardens, and in coffee shops. We hold, care for, and share artistic and scientific observations compiled over ...

Science Photo Library Feathers evolved in dinosaurs: birds were a group of dinosaurs that evolved flight and survived ... although it is not beautiful feathers, they really try to elongate ...

Hazel Dell resident Dee Gove has found herself in a swift predicament. Gove discovered four swifts inside her home Monday ...

Emily Knight joins a team of conservationists following these beautiful birds of prey from Loch Garten to Ghana. Show more Scotland's ospreys are about to set off on their epic Autumn flight to ...

My sister and I went on a cruise in the Arctic Circle. We saw polar bears and the monument of a lost expedition crew, and had ...

Dinosaur feathers were likely used for insulation or display. More complex feathers specialized for flight took birds—the sole remaining dinosaur lineage—to new heights. Nearly half of the 20 ...