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Cooper's Hawk

Accipiter cooperii

Description:

The Cooper's Hawk caught the pigeon, but it was not killed and got away.

Habitat:

urban neighborhood.

Notes:

Cool Facts Dashing through vegetation to catch birds is a dangerous lifestyle. In a study of more than 300 Cooper’s Hawk skeletons, 23 percent showed old, healed-over fractures in the bones of the chest, especially of the furcula, or wishbone. A Cooper's Hawk captures a bird with its feet and kills it by repeated squeezing. Falcons tend to kill their prey by biting it, but Cooper’s Hawks hold their catch away from the body until it dies. They’ve even been known to drown their prey, holding a bird underwater until it stopped moving. Once thought averse to towns and cities, Cooper’s Hawks are now fairly common urban and suburban birds. Some studies show their numbers are actually higher in towns than in their natural habitat, forests. Cities provide plenty of Rock Pigeon and Mourning Dove prey. Though one study in Arizona found a downside to the high-dove diet: Cooper’s Hawk nestlings suffered from a parasitic disease they acquired from eating dove meat. Life is tricky for male Cooper’s Hawks. As in most hawks, males are significantly smaller than their mates. The danger is that female Cooper’s Hawks specialize in eating medium-sized birds. Males tend to be submissive to females and to listen out for reassuring call notes the females make when they’re willing to be approached. Males build the nest, then provide nearly all the food to females and young over the next 90 days before the young fledge. The oldest known Cooper's Hawk was 20 years, 4 months old. http://www.allaboutbirds.org/guide/coope...

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4 Comments

misako
misako 11 years ago

Thank you Emily! It is amazing to see them in my urban neighborhood.
I saw another one right in my backyard:
http://www.projectnoah.org/spottings/712...

EmilyMarino
EmilyMarino 11 years ago

Love this!

misako
misako 12 years ago

He did fly away when a car came by and the pigeon managed to escape. I have seen hawks in my neighborhood two other times.

JVM
JVM 12 years ago

what a fearless hawk in the middle of the road

misako
Spotted by
misako

Alameda, California, USA

Spotted on Dec 30, 2009
Submitted on Aug 26, 2011

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