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+฀56฀+ pereGrine falcon Falco peregrinus The crow-size peregrine falcon is uncommon during migration but is becoming more common due to a reintroduction program started by the Iowa Department of Natural Resources. Falconers, who were at the heart of the reintroduction efforts, led the way toward unlocking the secrets of captive propagation of this and other raptor species. After an absence of some thirty years, natural nesting in historic sites is now occurring. qr +฀57฀+ ...

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