Monday, 24 March 2025

[cobirds] Dinosaur Ridge - Denver Field Ornithologists (24 Mar 2025) 13 Raptors

Dinosaur Ridge - Denver Field Ornithologists
Golden, Colorado, USA

Daily Raptor Counts: Mar 24, 2025
SpeciesDay's CountMonth TotalSeason Total
Black Vulture000
Turkey Vulture000
Osprey000
Bald Eagle02020
Northern Harrier166
Sharp-shinned Hawk255
Cooper's Hawk01313
American Goshawk111
Red-shouldered Hawk000
Broad-winged Hawk000
Red-tailed Hawk6160160
Rough-legged Hawk022
Swainson's Hawk000
Ferruginous Hawk01313
Golden Eagle01313
American Kestrel266
Merlin033
Peregrine Falcon000
Prairie Falcon022
Mississippi Kite000
Unknown Accipitrine111
Unknown Buteo000
Unknown Falcon000
Unknown Eagle000
Unknown Raptor000
Total:13245245


Observation start time: 12:00:00
Observation end time: 16:00:00
Total observation time: 4 hours
Official CounterEmma Riley
Observers: Buzz Schaumberg, Michael Serruto, Shannon Campbell



Visitors:
Thank you to Michael Serruto, Buzz Schaumburg, and Shannon Campbell for your help spotting mile-high raptors today. We saw a total of 9 visitors on 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:
Winds continue to blow strongly across the front range, leading us to having a delayed start and an early end to the count. Winds blew so hard overnight into the morning that a metal cord holding our sign up was snapped! Cloud cover was heavy all afternoon but the ceiling was still very high. Winds picked back up to high speeds in the 1500 hour, leading us to end the count early at 1600 MST.

Raptor Observations:
I arrived at the count site at 1300 MST and immediately found migrating raptors. All of the migrants, minus the AK, took an extremely high west line. The AG was spotted high with a RT and quickly moved on. Local RT were seen in the early afternoon, but once the winds picked back up all birds seemed to disappear.

Non-raptor Observations:
Passerines were extremely quiet today, but we did have a male and female Mountain Bluebird perch on a snag just south of the count platform. We have been seeing these birds migrate through but rarely get such great looks at them. Black-billed Magpie 1, Common Raven 4, Mountain Bluebird 2, Dark-eyed Junco 1

Predictions:
Tomorrow looks like it could be a great day for migration with scattered clouds, winds from the NE, and lower wind speeds than today.


Report submitted by Official Counter (j.f.peters58@gmail.com)
Dinosaur Ridge - Denver Field Ornithologists information may be found at: www.dinosaurridgehawkwatch.org
More information at hawkcount.org: [Site Profile] [Day Summary] [Month Summary]




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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