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The peregrine falcon became an endangered species over much of its range because of the use of organochlorine pesticides, especially DDT, during the 1950s, '60s, and '70s. [18] Pesticide biomagnification caused organochlorine to build up in the falcons' fat tissues, reducing the amount of calcium in their eggshells. With thinner shells, fewer ...
Falconidae is a family of diurnal birds of prey and includes caracaras, laughing falcon, forest falcons, falconets, pygmy falcons, falcons and kestrels.They are small to medium-sized birds of prey, ranging in size from the black-thighed falconet, which can weigh as little as 35 grams (1.2 oz), to the gyrfalcon, which can weigh as much as 1,735 grams (61.2 oz).
The peregrine falcon (Falco peregrinus), also known simply as the peregrine, is a cosmopolitan bird of prey in the family Falconidae. It is a medium to large-sized falcon, females being larger and about the size of a large crow, with a blue-gray back, barred white underside, and a black head and "mustache". There are seventeen subspecies.
The peregrine falcon was removed from the federal endangered species list in 1999 although it continues to be protected under the federal Migratory Bird Treaty Act. It is still listed as a species ...
Peregrine falcons are well-known as birds of prey that can fly extremely fast and travel long distances. Peregrines have been timed in stoops, or steep dives, at speeds of 200 miles per hour ...
A large falcon, it preys on birds and bats. [2] Most likely either the lanner or peregrine falcon was the sacred species of falcon to the ancient Egyptians, [3] and some ancient Egyptian deities, like Ra and Horus, were often represented as a man with the head of a lanner falcon.
Osprey, peregrine falcon recovery in Pa. Osprey and peregrine falcons have also rebounded from reintroduction efforts and are now listed as recovered species. “Peregrines were gone from the ...
Peale's falcon (Falco peregrinus pealei) is a subspecies of the peregrine falcon. This subspecies was first identified by the ornithologist Robert Ridgway in 1873, named in honor of Titian Ramsay Peale. These birds are the largest subspecies of peregrines (on average) anywhere in the world.