Wednesday, 2 April 2025

[cobirds] Dinosaur Ridge - Denver Field Ornithologists (01 Apr 2025) 19 Raptors

Dinosaur Ridge - Denver Field Ornithologists
Golden, Colorado, USA

Daily Raptor Counts: Apr 01, 2025
SpeciesDay's CountMonth TotalSeason Total
Black Vulture000
Turkey Vulture6647
Osprey115
Bald Eagle0027
Northern Harrier008
Sharp-shinned Hawk2230
Cooper's Hawk1150
American Goshawk001
Red-shouldered Hawk000
Broad-winged Hawk000
Red-tailed Hawk66271
Rough-legged Hawk002
Swainson's Hawk000
Ferruginous Hawk0015
Golden Eagle0019
American Kestrel22104
Merlin005
Peregrine Falcon114
Prairie Falcon002
Mississippi Kite000
Unknown Accipitrine001
Unknown Buteo000
Unknown Falcon000
Unknown Eagle000
Unknown Raptor001
Total:1919592


Observation start time: 09:00:00
Observation end time: 15:00:00
Total observation time: 6.15 hours
Official CounterAudrey Anderson
Observers: Buzz Schaumberg, Lori Morton



Visitors:
Thank you to both Lori Morton in the morning and Buzz Schaumberg in the afternoon for your company and your help spotting on the ridge! We had a total of 3 visitors on the ridge. 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:
The morning began with strong wind gusts around 20 mph which petered off after about an hour. Consistent cloud cover throughout the count with thunderstorms rolling in the afternoon. The count was called early due to thunder and sleet.

Raptor Observations:
Today was a day for close flacon and overall raptor interaction and movement. This morning a local juvenile PRFA came in from the NW giving us extraordinary looks. Probably the best look I've ever had at a PRFA, it circled overhead, fluttering with its tail fanned out directly over the platform, maybe 10 feet above, before shooting off towards the slope of Green Mtn. Shortly after 3 peregrine flacons and a Turkey Vulture appeared at the S end of the ridge. All 3 peregrines came shooting directly past us on the W side of the ridge, 2 locals - perhaps the nesting pair at Red Rocks were hounding the 3rd individual. The pair escorted the migrant N before turning back and flying directly S in the same line. Other highlights of the day included close views of an osprey in the valley W of the ridge as well as close movement of RTHA, AMKE, TUVU, COHA and SSHA. Both species of local adult eagles, one GOEA and a BAEA were also present. Overall raptor activity really dropped off during the 12:00 hour

Non-raptor Observations:
White-throated Swift 24, Ring-billed Gull 11, Northern Flicker 1, Woodhouse's Scrub Jay 2, Black-billed Magpie 2, Common Raven 3, Black-capped Chickadee 3, Tree Swallow 1, White-breasted Nuthatch 1, Mountain Bluebird 3, Western Bluebird 43, House Finch 3, Spotted Towhee 2, Western Meadowlark 2

Predictions:
Tomorrow's conditions will consist of varying cloud cover, winds out of the NW/WNW up to 20mph, and temperatures around 5-7C.


Report submitted by Official Counter of the day shown above (dinoridgehw@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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