Date: 3/15/25 7:14 pm
From: <reports...>
Subject: [cobirds] Dinosaur Ridge - Denver Field Ornithologists (15 Mar 2025) 7 Raptors
Dinosaur Ridge - Denver Field Ornithologists
Golden, Colorado, USA
Daily Raptor Counts: Mar 15, 2025
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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 5 5
Northern Harrier 0 1 1
Sharp-shinned Hawk 1 1 1
Cooper's Hawk 1 1 1
American Goshawk 0 0 0
Red-shouldered Hawk 0 0 0
Broad-winged Hawk 0 0 0
Red-tailed Hawk 0 51 51
Rough-legged Hawk 1 2 2
Swainson's Hawk 0 0 0
Ferruginous Hawk 2 9 9
Golden Eagle 1 8 8
American Kestrel 0 1 1
Merlin 1 1 1
Peregrine Falcon 0 0 0
Prairie Falcon 0 1 1
Mississippi Kite 0 0 0
Unknown Accipitrine 0 0 0
Unknown Buteo 0 0 0
Unknown Falcon 0 0 0
Unknown Eagle 0 0 0
Unknown Raptor 0 0 0

Total: 7 81 81
----------------------------------------------------------------------

Observation start time: 09:00:00
Observation end time: 17:00:00
Total observation time: 8 hours

Official Counter: Audrey Anderson

Observers: Bob Mitchell, Haley Caron, Jerry Arni, Laura Campbell

Visitors:
Thank you to all of our volunteers today and to Laura Campbell for aiding
in the count.

8 visitors came up to the platform today.


Weather:
Sporadic winds based in the E throughout the day. Overall large amounts of
cloud cover. Sun in the last hour of the day.

Raptor Observations:
Today was a really interesting day with migrants! 7 migrants, 6 species,
and no migrating Red-tailed Hawks. Our 2nd Rough-legged Hawk of the season
made an appearance over the W ridge, initially spotted tussling with a
migratory GOEA to the right of Mount Morrison. We followed both of the
birds N till they vanished out of sight. 2 FEHA were counted today, the 2nd
made a close pass along the W side of the platform, giving us great close
looks before circling right above us and heading N. We had our first
migrating Merlin far under the horizon going north in front of Morrison
before continuing across I70. An adult Cooper's Hawk, followed by an adult
Sharp-shinned Hawk about 15 minutes apart ended the day, giving us great
close looks along the platform and allowing volunteers to compare the
differences of these two amazing birds.

Local raptors consisted of 2 adult BAEA, 1 male AMKE, and 4 Red-tailed
Hawks. RTHA activity was the lowest I've seen so far this season.
Interesting day for the RTHA.

Non-raptor Observations:
Black-capped Chickadee 2, Mountain Bluebird 16, American Robin 1, Spotted
Towhee 1

Predictions:
Tomorrow brings scatted cloud cover and S to SW wings throughout, temps up
to 15C.
========================================================================
Report submitted by Official Counter (<j.f.peters58...>)
Dinosaur Ridge - Denver Field Ornithologists information may be found at:
www.dinosaurridgehawkwatch.org


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

Site Description:
Dinosaur Ridge is the only regularly staffed hawk watch in Colorado and is
the best place in the world to see migrating Ferruginous Hawks. Hawk
watchers may see 17 species of migrating raptors; and it is an excellent
site to see rare dark morph buteos including Broad-winged hawk,
Swainson’s hawk, Ferruginous hawk, Rough-legged hawk and Red-tailed Hawk.
Other raptors we see include Golden and Bald Eagles, Northern harrier,
Osprey, Peregrine Falcons, Prairie Falcons, Cooper's and Sharp-shinned
Hawks, American Kestrels, Merlin, and Turkey Vultures. American Goshawk is
uncommon but also counted each season. Non-raptor species include Rock
Wren, Bushtit, Western Bluebird, Sandhill Crane, White-throated Swift,
American White Pelican, and Dusky Grouse. Birders of any skill level are
always welcome. The hawk watch at Dinosaur Ridge is staffed by Hawk
Counter(s) and volunteers from March through early May.

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 hawk watch signs
from the southwest end of the parking lot to the hawk watch 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, and walk to the flat area at the crest of the ridge.
(Distance: 0.56 miles, Elevation gain: 259 feet)


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