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Peregrine falcon (Falco peregrinus).—Kenneth W. Fink/Root Resources
Falcon species (Falco peregrinus) found worldwide but rare today because of bioaccumulation of pesticides. Peregrines are 13–19 in. (33–48 cm) long and gray above, with black-barred whitish underparts. They fly high and dive at tremendous speed (up to 175 mph, or 280 kphthe greatest speeds attained by any bird), striking with clenched talons and killing by impact. They usually nest in a scrape on a high cliff ledge near water, where bird prey is plentiful. Breeding programs have reintroduced the species into the wild and introduced it into urban areas, where it finds a clifflike habitat among skyscrapers and preys chiefly on the rock dove (seepigeon). Despite the programs' success, the species remains vulnerable.
Variants of PEREGRINE FALCON
peregrine falcon or duck hawk
This entry comes from Encyclopædia Britannica Concise. For the full entry on peregrine falcon, visit Britannica.com.