Date: 4/12/17 4:03 pm
From: <reports...>
Subject: [cobirds] Dinosaur Ridge - Bird Conservancy of the Rockies (12 Apr 2017) 16 Raptors
Dinosaur Ridge - Bird Conservancy of the Rockies
Colorado, USA
Daily Raptor Counts: Apr 12, 2017

Species Day's Count Month Total Season Total
------------------ ----------- -------------- --------------
Black Vulture 0 0 0
Turkey Vulture 5 26 26
Osprey 0 2 2
Bald Eagle 0 4 13
Northern Harrier 0 0 0
Sharp-shinned Hawk 0 16 26
Cooper's Hawk 1 27 32
Northern Goshawk 0 0 0
Red-shouldered Hawk 0 0 0
Broad-winged Hawk 0 1 1
Red-tailed Hawk 3 39 219
Rough-legged Hawk 0 0 0
Swainson's Hawk 0 2 2
Ferruginous Hawk 0 2 7
Golden Eagle 0 0 3
American Kestrel 3 22 34
Merlin 0 0 0
Peregrine Falcon 1 4 6
Prairie Falcon 1 2 3
Mississippi Kite 0 0 0
Unknown Accipiter 0 2 6
Unknown Buteo 1 7 22
Unknown Falcon 1 4 7
Unknown Eagle 0 0 0
Unknown Raptor 0 1 8

Total: 16 161 417

Observation start time: 07:45:00
Observation end time: 13:00:00
Total observation time: 5.25 hours

Official Counter: Roger Rouch

Observers: Matt Gray

Matt Gray helped all morning, and Ajit and Liza Antoy stayed from
mid-morning into the afternoon. Their spotting and identification was very
helpful, especially considering the featureless blue sky. Thank you. Ajit
and Liza volunteer at the Mount Peter hawkwatch (fall) site in New York
state and told some great accounts of Broad-winged and other east coast

A virtually cloudless day with a very light haze or smog. Warm, even in
the morning, with temperatures from near 60 F to the upper 60's. A light
wind was mostly from the SE or NE at around 1 or 2 Bft.

Raptor Observations:
There is an old fisherman's saying, you should have been here yesterday,
although it was not a bad day. The flight pattern generally was eye level
east of the ridge in the morning with increasing elevation through the day
and little western ridge activity, other than locals. A late day high
flier gave some good Broad-winged indications but was conservatively
counted as an unk buteo. There was typical local Red-tailed activity and a
few local Turkey Vultures. Local Kestral(s) was spotted 4 or 5 times and
also a possibly local Sharp-shinned that dove out of sight before a good
sense of direction could be determined.

Non-raptor Observations:
Seen or heard included Common Raven, Townsend's Solitaire, Bushtit,
chickadee, European Starling, Woodhouse's Scrub-jay, Western Meadowlark. A
few White-throated Swifts in the late morning and then a couple of larger
flocks up to about 30 in the afternoon.
Report submitted by Bird Conservancy of the Rockies (<jeff.birek...>)
Dinosaur Ridge - Bird Conservancy of the Rockies information may be found at:

Site Description:
Dinosaur Ridge is the only regularly staffed hawkwatch in Colorado and is
the best place in the world to see migrating Ferruginous Hawks. Dinosaur
Ridge may be the best place in the country to see the rare dark morph of
the Broad-winged Hawk (a few are seen each spring). Hawkwatchers who linger
long enough may see resident Golden Eagles, Red-tailed Hawks and Prairie
Falcons, in addition to migrating Swainson's, Cooper's and Sharp-shinned
Hawks, American Kestrels and Turkey Vultures. Peregrine Falcons and
Ferruginous Hawks are uncommon; Northern Goshawk is rare but regular.
Non-raptor species include Rock Wren, and sometimes Bushtit, Western
Bluebird, Sandhill Crane, White-throated Swift, American White Pelican or
Dusky Grouse. Birders are always welcome.
The hawkwatch is generally staffed by volunteers from Bird Conservancy of
the Rockies from about 9 AM to around 3 PM from March 1st to May 7th.

Directions to site:
From exit 259 on I-70 towards Morrison, drive south under freeway and take
left into first parking lot, the Stegosaurus lot. Follow small signs from
the south side of lot to hawkwatch site. The hike starts heading east on an
old two-track and quickly turns south onto a trail on the west side of the
ridge. When the trail nears the top of the ridge, turn left, head through
the gate, and walk to the clearly-visible, flat area at the crest of the

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