Date: 4/20/17 4:40 pm
From: David Suddjian <dsuddjian...>
Subject: [cobirds] Cooper's Hawk pairs at Ken Caryl Ranch, JeffCo
Some in-progress observations on the apparent number of pairs of Cooper's
Hawks at Ken Caryl Ranch...

Over recent weeks I've been able to make focused and casual observations in
many parts of the developed area of Ken Caryl Ranch (inclusive of the
"Plains" east of C470 and the hogbacks, the "Valley" west of the hogbacks
and generally south of Ken Caryl Drive, and "North Ranch" west of the
hogbacks and north of Ken Caryl Drive.)

So far I have observed what I think are 10 different pairs on territory in
the Ranch: 4 in the Valley, 2 in North Ranch, and 4 in the Plains. This
seems like a pretty robust population to me. They seem more common in the
developed areas of the Ranch property (which includes some open space
corridors) than in the undeveloped open space areas of forest, oaks, scrub
and grassland.

David Suddjian
Ken Caryl Valley
Littleton, CO

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