Date: 3/30/18 3:59 pm
From: <reports...>
Subject: [cobirds] Dinosaur Ridge - Bird Conservancy of the Rockies (30 Mar 2018) 21 Raptors
Dinosaur Ridge - Bird Conservancy of the Rockies
Colorado, USA
Daily Raptor Counts: Mar 30, 2018

Species Day's Count Month Total Season Total
------------------ ----------- -------------- --------------
Black Vulture 0 0 0
Turkey Vulture 0 1 1
Osprey 0 0 0
Bald Eagle 0 3 3
Northern Harrier 0 0 0
Sharp-shinned Hawk 0 3 3
Cooper's Hawk 2 7 7
Northern Goshawk 0 1 1
Red-shouldered Hawk 0 0 0
Broad-winged Hawk 0 0 0
Red-tailed Hawk 17 163 163
Rough-legged Hawk 0 1 1
Swainson's Hawk 0 0 0
Ferruginous Hawk 0 2 2
Golden Eagle 1 8 8
American Kestrel 0 13 13
Merlin 0 0 0
Peregrine Falcon 0 1 1
Prairie Falcon 1 2 2
Mississippi Kite 0 0 0
Unknown Accipiter 0 3 3
Unknown Buteo 0 5 5
Unknown Falcon 0 0 0
Unknown Eagle 0 0 0
Unknown Raptor 0 1 1

Total: 21 214 214

Observation start time: 10:00:00
Observation end time: 16:00:00
Total observation time: 6 hours

Official Counter: Debbie James

Observers: Dave Petroy, Erika Petroy, Mike Fernandez, Shelly Petroy

The usual Good Friday Pilgrimage was happening, but for the first time in
the four years I've done Hawk Watch, they didn't come up. Instead they
walked along Morrison Hwy, then across I-70, up to Mother Cabrini on
frontage road. Mike Fernandez and his two son's Vinnie and Martin were up
for the third hour, along with the Petroy family. The daughter Erika is on
spring break from UC/Santa Barbara where she's getting a Masters in
Evironmental Studies. The Petroy's found out about Hawk Watch from a movie
at the Boulder Film Festival about Migrations, which mentioned Dinosaur
Ridge site.

Beautiful day up on the Ridge. Overcast skies, but warm temps, and
thankfully hardly any wind. Humidity started out at 67% after the
rain/snow drop yesterday and settled down to 37% by the end of the day.

Raptor Observations:
Locals observed were 4 Redtail Hawks, two over Green Mountain, and the
other pair west flying between Mt. Morrison and Mother Cabrini. Many
migrators were escorted by one or more of these Red Tails. One Kestrel
flew by on the west side of the Ridge, and then tacked west over
Mathews/Winters. One Prairie Falcon was spotted on the West side of the

Non-raptor Observations:
5 elk were seen on the east side of the Ridge on the way up in the morning.
Also seen or heard: 5 Black-billed Magpie; 7 House Finch; 2 Western
Meadowlark; 4 American Crow; 2 Townsend's Solitaire; 3 Common Raven; 2
Chickadee; 1 Flicker.

It was such a great day for migration--hoping tomorrow will be also1
Report submitted by Matthew Smith (<matt.smith...>)
Dinosaur Ridge - Bird Conservancy of the Rockies information may be found at:

More site information at

Site Description:
Dinosaur Ridge is the only regularly staffed hawkwatch in Colorado and is
the best place in the world to see migrating Ferruginous Hawks. Dinosaur
Ridge may be the best place in the country to see the rare dark morph of
the Broad-winged Hawk (a few are seen each spring). Hawkwatchers who linger
long enough may see resident Golden Eagles, Red-tailed Hawks and Prairie
Falcons, in addition to migrating Swainson's, Cooper's and Sharp-shinned
Hawks, American Kestrels and Turkey Vultures. Peregrine Falcons and
Ferruginous Hawks are uncommon; Northern Goshawk is rare but regular.
Non-raptor species include Rock Wren, and sometimes Bushtit, Western
Bluebird, Sandhill Crane, White-throated Swift, American White Pelican or
Dusky Grouse. Birders are always welcome.
The hawkwatch is generally staffed by volunteers from Bird Conservancy of
the Rockies from about 9 AM to around 3 PM from March 1st to May 7th.

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 small signs from
the south side of lot to hawkwatch 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, head through
the gate, and walk to the clearly-visible, flat area at the crest of the

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