Date: 3/14/17 4:28 pm
From: <reports...>
Subject: [cobirds] Dinosaur Ridge (14 Mar 2017) 4 Raptors
Dinosaur Ridge
Colorado, USA
Daily Raptor Counts: Mar 14, 2017

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 6 6
Northern Harrier 0 0 0
Sharp-shinned Hawk 0 0 0
Cooper's Hawk 0 0 0
Northern Goshawk 0 0 0
Red-shouldered Hawk 0 0 0
Broad-winged Hawk 0 0 0
Red-tailed Hawk 2 78 78
Rough-legged Hawk 0 0 0
Swainson's Hawk 0 0 0
Ferruginous Hawk 0 1 1
Golden Eagle 0 3 3
American Kestrel 1 1 1
Merlin 0 0 0
Peregrine Falcon 0 1 1
Prairie Falcon 0 1 1
Mississippi Kite 0 0 0
Unknown Accipiter 0 1 1
Unknown Buteo 1 4 4
Unknown Falcon 0 1 1
Unknown Eagle 0 0 0
Unknown Raptor 0 2 2

Total: 4 99 99

Observation start time: 09:00:00
Observation end time: 15:00:00
Total observation time: 6 hours

Official Counter: Gary Rossmiller


A few people stopped momentarily on the platform.

Overcast gave way to mostly sunny. Another windy day, gust up to bft 7
making it hard to track with 10x binoculars. Winds died down to bft 3-4 the
last hour and a half. Wind mostly out of the W or NW. Slightly rising
barometer 30.10 to 30.13. A lot of dust in the air, sun dog in the

Raptor Observations:
Very slow day, a couple of pairs of local RT's worked both sides of the
ridge actively. Locals would get my hopes up then turn around. Mystery
buteo after 1pm, very rufeous chest but flew like a RT, will count him as a
UB. Female kestrel just above the bushes on the west side late in the day.

Non-raptor Observations:
6 deer very close to the trail on the way up with 9 more lower on the west
side of the hill. Scrubjays were fairly active early, a magpie, robin, and
townsend solitaire were seen or heard. Otherwise, nothing. A solitary swift
late in the afternoon getting buffeted.

Hopefully more active!!
Report submitted by Bird Conservancy of the Rockies (<jeff.birek...>)
Dinosaur Ridge 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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