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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