Between June 21 and July 6, 2014, we completed UAV surveys of bald eagles (8 nests), ferruginous hawks (11 nests), and red-tailed hawks (5 nests), with each survey taking place when feathered ...

Cactus ferruginous pygmy owls are named for the saguaro cactuses they live in, their rusty-colored stripes, and their small size. They’re as fierce as they are small: These 2.5-ounce raptors prey on ...