Friday, 29 March 2024

[cobirds] Dinosaur Ridge - Denver Field Ornithologists (29 Mar 2024) 23 Raptors

Dinosaur Ridge - Denver Field Ornithologists
Colorado, USA

Daily Raptor Counts: Mar 29, 2024
SpeciesDay's CountMonth TotalSeason Total
Black Vulture000
Turkey Vulture155
Osprey122
Bald Eagle02727
Northern Harrier255
Sharp-shinned Hawk51212
Cooper's Hawk11212
American Goshawk011
Red-shouldered Hawk000
Broad-winged Hawk000
Red-tailed Hawk9236236
Rough-legged Hawk000
Swainson's Hawk000
Ferruginous Hawk01212
Golden Eagle099
American Kestrel31313
Merlin144
Peregrine Falcon022
Prairie Falcon033
Mississippi Kite000
Unknown Accipiter000
Unknown Buteo000
Unknown Falcon011
Unknown Eagle000
Unknown Raptor000
Total:23344344


Observation start time: 09:00:00
Observation end time: 17:00:00
Total observation time: 8 hours
Official CounterDustin Kohler
Observers: Chip Dawes, Chris Gearhart, Dave Hill, Ryan Stander, Sammy Korengut , Steve Ryder



Visitors:
We had 14 visitors to the ridge today, one person might become a member of the Denver Field Ornithologist along with his father who wasn't there.

Weather:
Today was a very overcast day that got colder as the day went on. The wind started from the Southeast and shifted to the Northeast. It threatened to rain on us and multiple times we had very light rain or snow that we could see, but not really feel. In the last hour, it switched to an off and on light drizzle, but my persistance was rewarded.

Raptor Observations:
Our migrants were mostly straight above us and close due to the low clouds and almost constant precipitation around us. As we were watching a migrating red-tailed a second red-tailed appeared roughly 3 times higher up than our migrant. The higher bird tucked its wings and dove straight at the migrant. When the local bird made contact there was a small puff of little feathers came off the migrant. The local attacked many times before it turned around leaving the migrant to go north. Our first Sharp-shinned hawk was very tiny suggesting that it was a male. This hawk was about 40 feet slightly above eye level. We saw a pair of Red-tailed Hawks, what I believe was a different pair than the day before, copulate along the western ridge.

Non-raptor Observations:
We saw lots of moving passerines in all directions. Mostly American Robins and Mountain Bluebirds, but there were a few where none of us saw the species. A few mule deer were within 60 feet away from me on the way down the trail.

Predictions:
Tomorrow we should have a sunny day with an ever changing wind. The trail should be muddy in the morning and dry out pretty well over the course of the day. Bring some sunblock and I'll see you up there.


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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