Date: 4/18/17 4:10 pm
From: <reports...>
Subject: [cobirds] Dinosaur Ridge - Bird Conservancy of the Rockies (18 Apr 2017) 20 Raptors
Dinosaur Ridge - Bird Conservancy of the Rockies
Colorado, USA
Daily Raptor Counts: Apr 18, 2017

Species Day's Count Month Total Season Total
------------------ ----------- -------------- --------------
Black Vulture 0 0 0
Turkey Vulture 1 35 35
Osprey 0 3 3
Bald Eagle 0 4 13
Northern Harrier 0 0 0
Sharp-shinned Hawk 2 24 34
Cooper's Hawk 2 44 49
Northern Goshawk 0 0 0
Red-shouldered Hawk 0 0 0
Broad-winged Hawk 5 8 8
Red-tailed Hawk 0 57 237
Rough-legged Hawk 0 0 0
Swainson's Hawk 4 11 11
Ferruginous Hawk 0 2 7
Golden Eagle 0 0 3
American Kestrel 1 27 39
Merlin 0 0 0
Peregrine Falcon 0 4 6
Prairie Falcon 0 5 6
Mississippi Kite 0 0 0
Unknown Accipiter 1 5 9
Unknown Buteo 0 9 24
Unknown Falcon 0 5 8
Unknown Eagle 0 0 0
Unknown Raptor 4 9 16

Total: 20 252 508

Observation start time: 08:00:00
Observation end time: 14:30:00
Total observation time: 6.5 hours

Official Counter: Gary Rossmiller


A few people stopped to say Hi this morning. Bill and Dave joined me around
noon, Paul and Sandy after 1pm.

Thin overcast in the morning gave way to clear skies in the afternoon.
Chilly breeze the first hour gave way to warm temps. Falling barometer from
30.09" to 29.92". Light breeze most of the day, starting from the SE,
moving to E and then N. Morning overcast made bird spotting much easier.

Raptor Observations:
8 local TV's got things started right away. Local RT's stayed busy most of
the day. Osprey going north this morning was counted, but likely the same
bird went south later. Busy day for Broad Wings and Swainsons. One TV went
as far as the super tower and was counted. Several UR's due to watching
other raptors. Swainsons were all to the east except the last one was
directly over head. Most of the other birds were to the west and/or over
the western ridge.

Non-raptor Observations:
6 Pelicans came up as far as the north end of Green Mtn and then turned
around after 1pm. Western Meadowlark, Townsend Solitaire, Spotted Towhee,
Woodhouse's Scrubjay, Black billed Magpie, American Crow, American Robin,
and some very active Canyon Wrens this morning.

Two very good days. A change of weather coming on Thursday. What will this
mean for Wednesday?
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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