Date: 3/8/18 4:21 pm
From: <reports...>
Subject: [cobirds] Dinosaur Ridge - Bird Conservancy of the Rockies (08 Mar 2018) 6 Raptors
Dinosaur Ridge - Bird Conservancy of the Rockies
Colorado, USA
Daily Raptor Counts: Mar 08, 2018

Species Day's Count Month Total Season Total
------------------ ----------- -------------- --------------
Black Vulture 0 0 0
Turkey Vulture 0 0 0
Osprey 0 0 0
Bald Eagle 0 0 0
Northern Harrier 0 0 0
Sharp-shinned Hawk 0 0 0
Cooper's Hawk 0 1 1
Northern Goshawk 0 0 0
Red-shouldered Hawk 0 0 0
Broad-winged Hawk 0 0 0
Red-tailed Hawk 6 23 23
Rough-legged Hawk 0 0 0
Swainson's Hawk 0 0 0
Ferruginous Hawk 0 0 0
Golden Eagle 0 2 2
American Kestrel 0 0 0
Merlin 0 0 0
Peregrine Falcon 0 0 0
Prairie Falcon 0 0 0
Mississippi Kite 0 0 0
Unknown Accipiter 0 0 0
Unknown Buteo 0 0 0
Unknown Falcon 0 0 0
Unknown Eagle 0 0 0
Unknown Raptor 0 0 0

Total: 6 26 26

Observation start time: 08:45:00
Observation end time: 14:30:00
Total observation time: 5.75 hours

Official Counter: Roger Rouch

Observers: Heidi Hayes, Joel Chapa

A few hikers and bikers were about, but none stopped for discussion.

A good sunscreen day with warm temperatures topping out in the mid-50's and
few clouds. Light winds mostly from the SE but variable in direction until
later in the day when the wind became moderate at three or four Bft out of
the NW.

Raptor Observations:
No raptors until mid-morning when three Red-tailed Hawks went north on a
determined flight path. Local Red-tail activity was infrequent much of the
day. During the last hour of the observation local Red-tailed activity
became common and three very probable migrants were counted struggling
north into the NW wind well past I-70. Interestingly this seemed
coincidental to an abrupt shift in wind speed and direction. Also, a local
Cooper's Hawk. (Extra spotting eyes were especially helpful with the
featureless blue sky).

Non-raptor Observations:
Also see or heard, Black-capped Chickadee, Townsend's Solitaire, Common
Raven, Dark-eyed Junco, and Black-billed Magpie. In the early morning a
group of about 25 American Robin landed in the dead pine just SE of the
platform and then dispersed in the junipers.

Report submitted by Bird Conservancy of the Rockies (<jeff.birek...>)
Dinosaur Ridge - Bird Conservancy of the Rockies information may be found at:

More site information 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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