Date: 3/31/21 6:05 pm
From: <reports...>
Subject: [cobirds] Dinosaur Ridge - Denver Field Ornithologists (31 Mar 2021) 16 Raptors
Dinosaur Ridge - Denver Field Ornithologists
Colorado, USA
Daily Raptor Counts: Mar 31, 2021
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Species Day's Count Month Total Season Total
------------------ ----------- -------------- --------------
Black Vulture 0 0 0
Turkey Vulture 1 3 3
Osprey 0 0 0
Bald Eagle 1 13 13
Northern Harrier 0 0 0
Sharp-shinned Hawk 0 14 14
Cooper's Hawk 1 11 11
Northern Goshawk 0 4 4
Red-shouldered Hawk 0 0 0
Broad-winged Hawk 0 0 0
Red-tailed Hawk 12 193 193
Rough-legged Hawk 0 1 1
Swainson's Hawk 0 0 0
Ferruginous Hawk 0 6 6
Golden Eagle 0 6 6
American Kestrel 0 2 2
Merlin 0 4 4
Peregrine Falcon 0 4 4
Prairie Falcon 0 1 1
Mississippi Kite 0 0 0
Unknown Accipiter 0 1 1
Unknown Buteo 1 9 9
Unknown Falcon 0 2 2
Unknown Eagle 0 0 0
Unknown Raptor 0 3 3

Total: 16 277 277
----------------------------------------------------------------------

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

Official Counter: Pam Batton

Observers: Kathy Holland

Visitors:
A dozen or so on the trails. Half that visited the platform. One was
interested in what we were doing.


Weather:
As last nights storm exited it left the morning with cold temps 1 C and
haze on the horizons. Finally reached 8 C around 2 pm.

Raptor Observations:
Red-tails continue courtship displays although less dramatic than past
weeks.

Few flew directly over the ridge today. The traffic was heavy in the am on
the Green Mountain side. Winds shifted for the afternoon and took most of
the raptors across the west ridge and Cabrini. Birds increased between noon
and 2pm.

Non-raptor Observations:
Solitaires actively singing. Many magpies. Many ravens enjoying a good
soar.


Predictions:
Looks to be an active day. Might be high with increased thermal activity
and rising air temps.
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Report submitted by DAVID HILL ()
Dinosaur Ridge - Denver Field Ornithologists information may be found at:
http://www.dfobirds.org


More site information at hawkcount.org: https://hawkcount.org/siteinfo.php?rsite=123

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 of any skill level are always welcome. HawkWatch at
Dinosaur Ridge is generally staffed by volunteers 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 southwest end of lot to the 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 ridge. (Distance: 0.56 miles, Elevation gain: 259 feet)


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