![]() ![]() “It was pretty much dire straits for falcons, until the captive breeding program led to a comeback. Falco peregrinus peregrinator, descrito por Sundevall en 1837, es conocido como el halcón peregrino indio, shaheen negro o shaheen indio. Ap/ 2:03 PM / CBS San Francisco SAN FRANCISCO (CBS SF) - Three baby peregrine falcon chicks have hatched in the nest that sits at the top of PG&E's San Francisco. ![]() “I think we were down to two of them in California,” Fish said. UC Davis Medical Center’s peregrine falcon parents have returned for another season, and they have already laid eggs The incubation period for peregrine falcons is usually 33-35 days. Peregrine falcons were nearly wiped out nationwide in the 1970s before a ban of the pesticide DDT led to their resurgence. Guess when the first Peregrine Falcon egg will hatch and win the chance to name the chicks. building in San Francisco and at Muir Beach, as well as atop the Campanile. In past years, the bold raptors have been spotted in the Bay Bridge towers, at the top of the Pacific Gas and Electric Co. “It looked like a pillow fight.”Ībout two dozen nesting peregrine falcon pairs are believed to be in the Bay Area. “The falcon left a pile of feathers,” he said. This was a good sign that the falcons had established themselves, Fish said, and a bad sign for the goose. A passing Canada goose flew over Alcatraz some months ago, and one of the falcons attacked it from behind at high speed, knocking the goose to the Alcatraz pier before swooping down, plucking the goose’s feathers and having lunch. It can be unhealthy for smaller birds to get too close to a peregrine falcon, said Allen Fish, director of the Golden Gate Raptor Observatory. They will hunt birds in the air as well as animals on the ground. Cooper’s hawks are around the same size as peregrines, though they are more common in our East Bay Regional Parks and in cities. Zoe Burr / Golden Gate National Parks Conservancy To identify a peregrine falcon, look for distinctive black sideburns that contrast sharply with the light feathers under the throat. Two peregrine falcons - one with a famous mother - have made Alcatraz home, and that’s bad news for Canada geese and other potential snacks. The two birds were spotted mating on March 3 by park biologist Tori Seher, who was dive-bombed by the male a few days later when Seher appeared to get too close to the lovebirds’ nest.īiologists observed the birds cementing their growing relationship by sharing the carcasses of small water birds and other prey that falcons are known to favor. The identity of Lawrencium’s new male friend was not immediately known, but his interest in Lawrencium is certain. As a result of a campus naming contest, the young bird was christened Lawrencium - the name of a chemical element discovered at Cal. She is one of three chicks born in 2018 to the fabled falcons Annie and Grinnell, who for years nested atop UC Berkeley’s 300-foot Campanile bell tower. The female falcon is well-known to Bay Area falcon fans. The two adult falcons apparently decided to stay put after first being seen on the island last year, officials said. Falcons are known to visit the island from time to time and then, like the daily boatloads of tourists, depart for more hospitable locations. ![]()
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