Argentavis magnificens was so massive it should’ve stayed grounded. Yet, this giant prehistoric bird still ruled the skies of ...

The common swift may not have a fancy name, but these small birds are marvels of velocity. Regularly cruising around 110kph ...

The researchers suggest that the difference between the long-haulers and those who landed might be in their feathers; the birds that landed had not molted their wing feathers, whereas those who stayed ...

The Amur falcon migration is one of the most incredible feats of endurance in the natural world. Tiny birds, with a very ...