Monday, 18 March 2024

[cobirds] Dinosaur Ridge - Denver Field Ornithologists (18 Mar 2024) 11 Raptors

Dinosaur Ridge - Denver Field Ornithologists
Colorado, USA

Daily Raptor Counts: Mar 18, 2024
SpeciesDay's CountMonth TotalSeason Total
Black Vulture000
Turkey Vulture000
Osprey000
Bald Eagle11919
Northern Harrier000
Sharp-shinned Hawk011
Cooper's Hawk033
American Goshawk000
Red-shouldered Hawk000
Broad-winged Hawk000
Red-tailed Hawk5127127
Rough-legged Hawk000
Swainson's Hawk000
Ferruginous Hawk11111
Golden Eagle266
American Kestrel133
Merlin000
Peregrine Falcon011
Prairie Falcon133
Mississippi Kite000
Unknown Accipiter000
Unknown Buteo000
Unknown Falcon000
Unknown Eagle000
Unknown Raptor000
Total:11174174


Observation start time: 09:00:00
Observation end time: 17:00:00
Total observation time: 8 hours
Official CounterDustin Kohler
Observers: Bill Young, Deborah Hebblewhite, Ryan Gannon



Visitors:
We had 5 visitors to the ridge today. It seems not many people wanted to traverse the snow, and I expect that once it melts than our visitor numbers will increase.

Weather:
Today was a cloudless sunny day. The wind was steadier than the last couple days, but the wind was not very strong. There was the best visibility I have ever seen on the ridge today, and when the wind was stronger there was a steady stream of migrants.

Raptor Observations:
Most of our migrants followed a similar pathway. Most birds were high above, and following along our ridge on the eastern side. We also had a juvenile red-tailed follow our ridge below the horizon and landed on a tree looking lost. This bird could have been a migrant, but I never saw it leave. Two red-tailed hawks about ten minutes apart were seen in the same pathway as the other migrants, but these birds dropped down and started rising up, and dropping down continuously. The second bird caught up with the first and they copulated which suggests that they are both local.

Non-raptor Observations:
We watched a Black-billed Magpie carry nesting material to a juniper tree towards the bottom of the eastern side of our ridge. Today's sky was also full of airplanes. It appeared that there was some sort of training exercises today and planes were in the airspace above us most of the day.

Predictions:
Tomorrow looks to be similar to today. Full of sunshine and a moderate, but steady wind. I suggest bringing some sunblock, and some spiked shoes up to the ridge tomorrow.


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 9:30 AM to 5:30 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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