Dinosaur Ridge - Denver Field Ornithologists
Colorado, USA
Daily Raptor Counts: Mar 04, 2023
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Species Day's Count Month Total Season Total
------------------ ----------- -------------- --------------
Black Vulture 0 0 0
Turkey Vulture 0 0 0
Osprey 0 0 0
Bald Eagle 0 1 1
Northern Harrier 0 0 0
Sharp-shinned Hawk 0 0 0
Cooper's Hawk 0 0 0
Northern Goshawk 1 2 2
Red-shouldered Hawk 0 0 0
Broad-winged Hawk 0 0 0
Red-tailed Hawk 5 19 19
Rough-legged Hawk 0 0 0
Swainson's Hawk 0 0 0
Ferruginous Hawk 0 1 2
Golden Eagle 3 4 4
American Kestrel 0 0 0
Merlin 0 1 1
Peregrine Falcon 0 0 0
Prairie Falcon 0 1 1
Mississippi Kite 0 0 0
Unknown Accipiter 0 0 0
Unknown Buteo 0 0 0
Unknown Falcon 0 0 0
Unknown Eagle 0 0 0
Unknown Raptor 0 0 0
Total: 9 29 30
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Observation start time: 09:30:00
Observation end time: 15:30:00
Total observation time: 6 hours
Official Counter: Emma Riley
Observers: Carol Cwiklinski, Aarohi Barman, Sammy Korengut,
Shannon Campbell, Steve Small
Visitors:
Today was Aarohi Barman’s, our other staff member for the season, first
day! She helped observe and count, as well as Carol Cwiklinski, Steve
Small, Shannon Campbell, and Sammy Korengut. We had 21 visitors today,
including a number of mountain bikers stopping by. The trail was busy!
Weather:
We had clear skies to start the day but clouds rolled in around 1200
cooling the air down and providing a nice backdrop to hawkwatch. Winds were
once again predominantly from the NE, with some NW winds at the end of the
day.
Raptor Observations:
Todays flight started out high and continued that way for most of the day.
Migrants were seen all over, from Green Mountain to the western ridge and
everything in between. We finished our day with 9 migrants counted,
including three GE and our second NG of the season taking a west line. Our
local raptor presence was very strong today with 5 RT, 2 GE, 2 BE, 1 PR,
and one NG taking a sharp east line in quite the hurry. All in all we
stayed busy and entertained all day.
Non-raptor Observations:
We were joined by some of our normal passerines today including TOSO (3),
AMRO (2), CORA (9), AMCR (4), BCCH (1), and DEJU (3). We also saw elk near
the Mother Cabrini figure. Anywhere from one to 6 hang gliders could be
seen for most of the day, with one coming directly overhead!
Predictions:
Tomorrow should be warmer than the last few days, but accompanied by clear
blue skies all day, making for potentially high and tricky to spot birds.
Winds are predicted to come from the West with moderate strength. We are
hoping for some more first of season species.
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Report submitted by DAVID HILL ()
Dinosaur Ridge - Denver Field Ornithologists information may be found at:
http://www.dfobirds.org
More site information at hawkcount.org:
https://hawkcount.org/siteinfo.php?rsite=123
Count data submitted via Dunkadoo - Project info at:
https://dunkadoo.org/explore/denver-field-ornithologists/dinosaur-ridge-spring-2023
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. Northern 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 14th,
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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