Thursday, 1 May 2025

[cobirds] Dinosaur Ridge - Denver Field Ornithologists (30 Apr 2025) 29 Raptors

Dinosaur Ridge - Denver Field Ornithologists
Golden, Colorado, USA

Daily Raptor Counts: Apr 30, 2025
SpeciesDay's CountMonth TotalSeason Total
Black Vulture000
Turkey Vulture1334375
Osprey37781
Bald Eagle01744
Northern Harrier04957
Sharp-shinned Hawk8315343
Cooper's Hawk1244293
American Goshawk012
Red-shouldered Hawk000
Broad-winged Hawk5263263
Red-tailed Hawk5239504
Rough-legged Hawk002
Swainson's Hawk03838
Ferruginous Hawk01429
Golden Eagle0524
American Kestrel5835937
Merlin01116
Peregrine Falcon01215
Prairie Falcon013
Mississippi Kite000
Unknown Accipitrine045
Unknown Buteo011
Unknown Falcon000
Unknown Eagle000
Unknown Raptor067
Short-eared Owl111
Total:2924673040


Observation start time: 05:00:00
Observation end time: 15:00:00
Total observation time: 10 hours
Official CounterAudrey Anderson, Emma Riley, Audrey Anderson
Observers: Ajit Antony, Audrey Hicks, Cheryl Wilcox



Visitors:
Thank you to all of our visitors and volunteers! Today was my last day on the ridge with Cheryl Wilcox for the season, thank you for your kindness and constant enthusiasm. We had a total of 15 visitors on the ridge, many that came with the purpose of visiting the Hawkwatch! It was lovely to meet you all and we are looking forward to having you up on the ridge again soon! Can't make it out to the ridge and still want to follow along? Check out our Trektellen page and follow along with live updates at https://www.trektellen.org/count/view/4515/20250301 .

Weather:
Today started and ended with strong winds out of the NW. During the day winds were based out of the E with scattered cloud cover throughout. A storm rolled in from the W at the end of the count.

Raptor Observations:
Today started and ended with strong winds out of the NW. During the day winds were based out of the E with scattered cloud cover throughout. A storm rolled in from the W at the end of the count. Today, 10 minutes after sunrise we had an extraordinary migrant raptor! A Short-earred Owl was spotted moving N low above Mathew's Winters before crossing i70! This is the 2nd SEOW recorded at Dinosaur Ridge. The first was in 2005 on March 2nd. A very exciting and unexpected addition to the count total. Not much is known about owl migration as they are a secretive migrant species so this is a really neat sighting! SEOWs are considered diurnal raptors as they are naturally very active at dawn and dusk. The migration count records all diurnal raptor species, including this SEOW. Overall. raptor migration at Dinosaur Ridge seems to have slowed down a bit as we are entering the final 10 days of the season. We are still seeing nice numbers of Osprey, Broad-winged Hawks, and Red-tailed Hawks. Non-raptor observations included northbound movement of Pygmy Nuthatches (7), Blue-grey Gnatcatchers (5), and Hermit Thrushes (2).

Non-raptor Observations:
White-throated Swift 9, Broad-tailed Hummingbird 2, Mourning Dove 2, Say's Phoebe 1, Blue Jay 7, Woodhouse's Scrub Jay 6, Black-capped Chickadee 2, Tree Swallow 27, Violet-green Swallow 47, Barn Swallow 3, Cliff Swallow 8, Rock Wren 2, Blue-grey Gnatcatcher 5, Pygmy Nuthatch 2, Townsend's Solitaire 4, Hermit Thrush 2, American Robin 7, House Finch 2, Chipping Sparrow 3, White-crowned Sparrow 5, Spotted Towhee 4, Western Meadowlark 2, Red-winged Blackbird 1, Common Grackle 6, Yellow-rumped Warbler (Audubon's) 8

Predictions:
Mostly cloudy skies throughout that day. Winds are expected out of the ENE up to 10 mph. Temperatures will reach around 14C. Potentially muddy trail conditions in the morning.


Report submitted by Official Counter of the day shown above (dinoridgehw@gmail.com)
Dinosaur Ridge - Denver Field Ornithologists information may be found at: www.dinosaurridgehawkwatch.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
Hawk Counter(s) and volunteers from March through early May.

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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