Date: 4/28/18 8:26 pm
From: <reports...>
Subject: [cobirds] Dinosaur Ridge - Bird Conservancy of the Rockies (28 Apr 2018) 23 Raptors
Dinosaur Ridge - Bird Conservancy of the Rockies
Colorado, USA
Daily Raptor Counts: Apr 28, 2018

Species Day's Count Month Total Season Total
------------------ ----------- -------------- --------------
Black Vulture 0 0 0
Turkey Vulture 2 86 88
Osprey 0 6 6
Bald Eagle 1 3 6
Northern Harrier 0 3 3
Sharp-shinned Hawk 1 18 22
Cooper's Hawk 2 32 40
Northern Goshawk 0 1 2
Red-shouldered Hawk 0 0 0
Broad-winged Hawk 7 12 12
Red-tailed Hawk 3 66 234
Rough-legged Hawk 0 0 1
Swainson's Hawk 1 5 5
Ferruginous Hawk 0 2 4
Golden Eagle 0 3 11
American Kestrel 1 18 32
Merlin 0 0 0
Peregrine Falcon 0 3 4
Prairie Falcon 0 2 4
Mississippi Kite 0 0 0
Unknown Accipiter 3 13 17
Unknown Buteo 2 18 23
Unknown Falcon 0 3 3
Unknown Eagle 0 2 2
Unknown Raptor 0 7 8

Total: 23 303 527

Observation start time: 10:00:00
Observation end time: 12:00:00
Total observation time: 2 hours

Official Counter: Mitchell Blystone


A lot of trail traffic but not too many visitors to the platform.

A beautiful spring day with plenty of blue sky. Early in the day high
cirrus clouds covered the western horizon with a later development of some
decent cumulonimbus clouds. A cool eastern breeze persisted through the

Raptor Observations:
A great day for close ups of Broad-Wings! My first 10 minutes on the hill
had 7 BWHs fly really low and near the deck. There was a lot of activity
around Mt. Morrison with some of the migrators being little more than dots
on the horizon. Most of the local's activity was farther south down the
ridge line.

Non-raptor Observations:
Lots of White throated swifts, Chickadees, Robins, Dark-eyed junkos, Crows,
Magpies, and even a couple rabbits.

Hopefully as good as today! Activity seemed to be sticking to the western
side of the hill so maybe it's theme!
Report submitted by Matthew Smith (<matt.smith...>)
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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