Date: 3/22/25 8:00 am
From: <reports...>
Subject: [cobirds] Dinosaur Ridge - Denver Field Ornithologists (21 Mar 2025) 16 Raptors
Dinosaur Ridge - Denver Field Ornithologists
Golden, Colorado, USA
Daily Raptor Counts: Mar 21, 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 3 15 15
Northern Harrier 0 2 2
Sharp-shinned Hawk 0 2 2
Cooper's Hawk 3 6 6
American Goshawk 0 0 0
Red-shouldered Hawk 0 0 0
Broad-winged Hawk 0 0 0
Red-tailed Hawk 9 128 128
Rough-legged Hawk 0 2 2
Swainson's Hawk 0 0 0
Ferruginous Hawk 0 10 10
Golden Eagle 0 12 12
American Kestrel 1 2 2
Merlin 0 2 2
Peregrine Falcon 0 0 0
Prairie Falcon 0 2 2
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: 16 183 183
----------------------------------------------------------------------

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

Official Counter: Audrey Anderson

Observers: Amy Walsh, Derek Freed, Kathleen Stewart, Leslie Dixon

Visitors:
Thank you to all of our wonderful volunteers! Another great day so far for
this seasons count.

A total of 7 visitors came up to the ridge today.

Can't make it out to the ridge and still want to follow along? Check out
our Trektellen page and follow along with live updates at
https://www.trektellen.org/count/view/4515/20250301 .


Weather:
Today began with winds from the N/NW up to 16 mph, varied in the N to E the
rest of the day gradually getting lighter. Overall overcast with sun in the
afternoon.

Raptor Observations:
Raptor movement was slow in the morning which changed when a close line of
RTHA came low over the ridge. 4 kettled briefly before 3 headed
northbound. Other migrants used the far W ridge with little to no movement
in the E. 2 COHA followed the W line cruising N, the 3rd Coopers of the day
was high directly above the ridge, giving us distant but extended looks. A
highlight of the day was a migrating American kestrel! It’s always a wild
experience hearing a raptor before you see it, this female kestrel was
calling away while flying fast and low NB against the ridge.

Non-raptor Observations:
Northern Flicker 1, Black-billed Magpie 1, American Crow 7, Common Raven 8,
Black-capped Chickadee 2, Mountain Chickadee 1, Mountain Bluebird 29,
American Robin 3, House Finch 5

Predictions:
Tomorrow we can expect light winds in the morning which will increase to 16
mph winds around 1:00pm in the afternoon. Winds from the W predicted
throughout the day.
========================================================================
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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