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In June 2023, a chance encounter in Chiapas, Mexico, produced the country's first photos and video of a Harpy Eagle in more than a decade. The bird was young, and its age is a clue that a breeding pair may...

Nearly 30 years after the first California Condors returned to Arizona's skies, four more young condors took flight from Vermilion Cliffs as nearly 900 people watched below. The first left the pen in under...

Lead exposure is well documented in birds and mammals, but far less is known about its prevalence in snakes. A new study led by our Energy Scientist Vincent Slabe tested gophersnakes and rattlesnakes in...

Alaska's Seward Peninsula just saw record prey numbers and one of the strongest Gyrfalcon breeding seasons in years—but one strange shift in the population has researchers watching closely. The season's...

Concerning news for falcons in the Arctic: a new study has linked warmer summers to fewer surviving young for both Gyrfalcons and Peregrine Falcons. But there’s a twist—the two species are reacting to...

This year marks 30 years since the first California Condors were released into the wild in Arizona, establishing the Arizona–Utah population we still monitor today. Three wild fledglings are nearing their...

Nearly a decade after Hurricane Harvey dealt a major blow to Texas's wild Aplomado Falcon population, The Peregrine Fund is relaunching a captive breeding program in Boise to help it recover. Ten young...

The TPF Education team at the World Center for Birds of Prey is thrilled to welcome Nox (Latin for “night”), a young Northern White-faced Owl, to our avian ambassador team! Check out photos here, learn more...

Captive breeding of the California Condor has been key to the species’ recovery from a low of 22 birds in 1982 to over 600 today. A new paper examines the relationship between female age and egg size...

For three winters now, Emma Heydenberk has found a home on our California Condor team during the busy fall and winter seasons, when we release around a dozen captive-bred condors and trap and test as many...