Peregrine falcons have dark stripes under their eyes, thought to reduce sun glare. But in other falcon species these markings are unrelated to sunlight.

Big Bend National Park will close select areas from Feb. 1 to May 31 to protect nesting peregrine falcons, a threatened ...

It’s also a practice Howard and Sheikh Butti believe can have a major impact on falcon conservation at a time when several species are facing threats from habitat loss and the illegal wildlife ...