Thursday 9 May 2024

[cobirds] Dinosaur Ridge - Denver Field Ornithologists (09 May 2024) 17 Raptors

Dinosaur Ridge - Denver Field Ornithologists
Colorado, USA

Daily Raptor Counts: May 09, 2024
SpeciesDay's CountMonth TotalSeason Total
Black Vulture000
Turkey Vulture449394
Osprey0353
Bald Eagle0449
Northern Harrier0427
Sharp-shinned Hawk114113
Cooper's Hawk035231
American Goshawk009
Red-shouldered Hawk000
Broad-winged Hawk026140
Red-tailed Hawk340463
Rough-legged Hawk000
Swainson's Hawk2748
Ferruginous Hawk0222
Golden Eagle0325
American Kestrel663496
Merlin0121
Peregrine Falcon1416
Prairie Falcon006
Mississippi Kite000
Unknown Accipiter0013
Unknown Buteo026
Unknown Falcon006
Unknown Eagle000
Unknown Raptor003
Total:172572141


Observation start time: 08:30:00
Observation end time: 17:00:00
Total observation time: 8.5 hours
Official CounterDustin Kohler
Observers: Bill Young, Dave Erickson, Emma Riley, Mike Serruto, Steve Ryder



Visitors:
We had 13 visitors to the ridge today including 2 determined ladies that had come up on 2 separate occasions this week, but they had previously come up when weather or our time parameters prevented them from meeting us. This was Emma's last day for the season. Thank you for all the lessons and the memories.

Weather:
We had 100% cloud cover all day, but the sun did somehow shine through for the last couple hours. It snowed/rained for the first few hours. The wind was from the east all day. There was a winter weather advisory after 3, but that was our warmest time of the day.

Raptor Observations:
Our migrants were relatively low and mostly on the east or above us. One Swainson's Hawk of unknown age was our furthest away bird, and the other Swainson's was probably in juvenile plumage two months ago. The Peregrine Falcon was attacked by another Peregrine as it flew north. There was a high-speed chase that went on for miles before the second bird circled back over us and southward. In local news we had at least one Red-tailed Hawk attacking a Golden eagle most of the morning. Later we had 3 Golden Eagles and 2 Red-tailed hawks in the air at the same time, but only one of each were near the other. We also had a juvenile Bald Eagle and a Dark Morph Red-tailed Hawk that didn't migrate.

Non-raptor Observations:
We had 3 Western Tanagers to the ridge today, a lifer for this kid from Missouri, it seems like they have just got back into town. We had a flock of 11 American White Pelicans, and a Common Raven flying with a rodent in its beak. We saw Elk, Mule Deer, and a Red Fox on our ridge today as well, always fun to see those guys.

Predictions:
It looks to be rainy for the first couple of hours before being mostly cloudy. The wind should be moderate and out of the East or East of Northeast all day. Not the best day for migrants, but as it will be our last day of the season I hope to get a few good migrants.


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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