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The Rusty Squirrel-Hawk AKA Ferruginous Hawk

10,000 Birds

I took a ride up to the Fall River Valley back in October and spotted both morphs in the large grasslands where we also usually see Rough-legged Hawks and Prairie Falcons. They are often seen on the ground since their prey consists mainly of rabbit, prairie dog and, you guessed it, ground squirrel.

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Cavity Nesting Birds of North America and Their Babies!

10,000 Birds

The hole-nesting population of peregrine falcons disappeared with the felling of the giant trees upon which they depended. According to the literature, Peregrine Falcons and Merlins both nested in tree cavities until the end of the 19th and early 20th centuries when most of the great trees were felled.

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How to Know the Birds: The Art and Adventure of Birding – A Book Review

10,000 Birds

Finches, for example, are “especially prone to nomadism,” and Falcons, as many experienced birders know, are more closely related to parrots and songbirds than to hawks and eagles. The Checklist is more than a taxonomic listing of species and chapter number and title; it also contains useful notes on each bird family.

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Collaborative list – December 2018

10,000 Birds

Barred Forest-Falcon – Micrastur ruficollis. Collared Forest-Falcon – Micrastur semitorquatus. Laughing Falcon – Herpetotheres cachinnans. Red-footed Falcon – Falco vespertinus. New Zealand Falcon – Falco novaeseelandiae. Brown Falcon – Falco berigora. 01 Jan 2018.

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