Monday, 15 April 2024

[cobirds] Dinosaur Ridge - Denver Field Ornithologists (15 Apr 2024) 22 Raptors

Dinosaur Ridge - Denver Field Ornithologists
Colorado, USA

Daily Raptor Counts: Apr 15, 2024
SpeciesDay's CountMonth TotalSeason Total
Black Vulture000
Turkey Vulture11205235
Osprey12026
Bald Eagle0838
Northern Harrier0510
Sharp-shinned Hawk22844
Cooper's Hawk286107
American Goshawk045
Red-shouldered Hawk000
Broad-winged Hawk022
Red-tailed Hawk2102363
Rough-legged Hawk000
Swainson's Hawk01010
Ferruginous Hawk0315
Golden Eagle0415
American Kestrel4207229
Merlin01014
Peregrine Falcon035
Prairie Falcon014
Mississippi Kite000
Unknown Accipiter067
Unknown Buteo000
Unknown Falcon034
Unknown Eagle000
Unknown Raptor022
Total:227091135


Observation start time: 08:00:00
Observation end time: 17:00:00
Total observation time: 9 hours
Official CounterDustin Kohler, Emma Riley
Observers: Emma Riley, Karli Rose, Mike Seruto, Natalie Uschner-Arroyo, Ryan Gannon, Shay Lyons



Visitors:
We had 24 visitors to the ridge today including a 1 or 2-year-old (I don't know baby ages) who was telling us what sounds different birds make.

Weather:
Today started with a sunny day and turned to an overcast one as the day went on. The wind was strong and only got stronger as the day went on. A persistent haze stayed all day in the distance affecting our distant visibility. The count was ended an hour early due to winds exceeding 35 mph.

Raptor Observations:
We had a slow, but steady migration for the first two hours, but then had a long period of no migrants. Towards the end of the day, a few migrants fought through the wind to move on to the north. Our two Sharp-shinned flew by together. One was larger than the other, potentially male and female, and the larger one had a full crop. Today we had three local Bald Eagles, all adults. One of them was being harassed by a Red-tailed Hawk. We had another Red-tailed hawk carrying either a snake or nesting material. With how stiff it was flying I would assume nesting material. This thought is also supported because both of the nests I have seen in the area were destroyed in the 100 mph wind last weekend.

Non-raptor Observations:
Before the wind got super strong we had a rock wren on our platform, a flock of about 40 Franklins gulls migrating closely, and 6 American White Pelicans. When the wind picked up we saw a tree swallow, and a lot (or the same ones many times) White-throated Swifts.

Predictions:
Tomorrow looks to be another windy day. A shortened or canceled count is possible.


Report submitted by Official Counter (j.f.peters58@gmail.com)
Dinosaur Ridge - Denver Field Ornithologists information may be found at: http://www.dfobirds.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 a
Hawk Counter and volunteers from 10:00 AM to 6:00 PM from March 1st to May 10th,
weather permitting.

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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