(via BBC Earth) The Northern Bald Ibis is one of the rarest birds in the world. They were hunted to extinction in Europe 300 years ago, but now a daring new project is returning them to the wild.

According to bird experts Kenn and Kimberly Kaufman, much about bird flying is dependent on the species, season, and what else the bird is doing. Songbirds that feed on insects vary in the elevation ...

In a rectangular room draped in camouflage netting, four Harris’ hawks took turns flying back and forth between grass-covered perches while scientists recorded their every biomechanical flutter. The ...