Sex in the city: Peregrine falcons in Chicago don't cheat

Peregrine Falcons, in their normal habitat on isolated cliffs, mate for life. But some 25 pairs now nest on Chicago skyscrapers and bridges, and city living has them in much closer quarters than they used before humans dominated ...

Satellite tracking reveals where the wild peregrines go

We know very little about the time between when birds leave their natal territories and when they settle on their winter grounds. Although the period is a black hole of information, it is believed to be a critical time for ...

New discovery finds missing hormone in birds

University of Akron researchers discovered leptin in the mallard duck, peregrine falcon and zebra finch, marking the first time the hormone has been found in birds.

Falcon feathers pop-up during dive

Similar to wings and fins with self-adaptive flaps, the feathers on a diving peregrine falcon's feathers may pop-up during high speed dives, according to a study published in PLOS ONE on January 29, 2014 by Benjamin Ponitz ...

Flightless falcons remain a mystery

It's still a mystery why Stella and George, two of the three peregrine falcons hatched this spring atop the University of North Dakota water tower in Grand Forks, lost their ability to fly, but it's looking like the story ...

page 3 from 5