Fast facts
Other Ohio peregrine nesting sites:
Aberdeen (J.M. Stuart Power Plant); Aberdeen (Ohio River Bridges); Akron (First Merit Tower); Canton (Bank One Building); Cincinnati (PNC Bank); Cleveland (Bohn Building); Cleveland (Cleveland Clinic); Cleveland (I-90 Bridge); Cleveland (LTV Steel); Cleveland (Terminal Tower); Cleves (Miami Fort Station, Cinergy); Columbus (State Office Tower); Dayton (AT & amp;T Building); Huron (Peavey Grain); Ironton (Ironton-Russell Bridge); Lakewood (Hilliard Road Bridge); LIMA (Bank One Building); Lorain (Edgewater Power Plant); Toledo (Commodore Perry).
In the 1960s, scientists discovered that a pesticide called DDT was interfering in the eggshell formation of meat and fish eating birds. Healthy birds were laying eggs so thin they were crushed by the weight of the incubating adult.
By 1965, no peregrine falcons were fledged in the eastern or central United States.
By 1968, the peregrine population was completely eradicated east of the Mississippi River.
In 1972, use of DDT was severely restricted in the United States and worldwide.
In 1979, the Eastern Peregrine Recovery Plan was developed to restore a peregrine population to the eastern United States.
Peregrine falcons are an endangered species in Ohio.
Traditionally, they nested on ledges of high cliffs in remote areas. In cities, they use niches along ledges, such as inset windows or window boxes.
Peregrine falcons are about the size and weight of a crow.
Peregrines normally grow to 15 inches in length with a 40-inch wingspan.

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