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The Peregrine Falcon´s main threat was the chemical of DDT. That chemical was the only threat to the falcons. It was first introduced in 1947 when farmers used it for their plants not to get eaten. The chemical caused eggshell thinning. Then the chemical was banished from being used in 1972.

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The Peregrine Falcon itself is 15 to 21 inches long. It is the size of a crow. Falcons have lived up to 17 years old at most. The body is is 14 to 19 inches long. It is also the most common hunting bird.

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Peregrine Falcons catch their prey in mid-air. When falcons catch them they dive down very fast. They go about 200 mph. Then they have a feast with their family.

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The Peregrine Falcon mostly settle on top of tall bridges and buildings. Falcons also usually live rural cliffs and canyons. Falcons can be territorial for their settlement. While the mother falcon takes care of the babies then father hunts for food.

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Peregrine Falcons were very feared. They had no living predators. The only predator they had was the chemical of DDT. But their prey are bats, large bugs, and small song birds.

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The Peregrine Falcon lays two to four eggs at a time and their eggs were incubated. Then they become an Iusus, or just a baby. Then about when they are 39-49 days child or learning to fly. Then he or she is a mother or father falcon.

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The Peregrine Falcons were found everywhere except Antarctica. They are mostly found in rural cliffs, urban habitats, on top of tall buildings and bridges, New England to Georgia, and wide open spaces. Falcons are found in deserts too. Falcons have been found forests and rainforests. And they are found mostly in the sky.