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Date: 29 Mar 2012 00:03:13 -0400
Reply-To: jeff.bi...@rmbo.org
Subject: HSR: Dinosaur Ridge (28 Mar 2012) 6 Raptors
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Dinosaur Ridge
Colorado, USA
Daily Raptor Counts: Mar 28, 2012
-------------------------------------------------------------------
Species Day's Count Month Total Season Total
------------------ ----------- -------------- --------------
Black Vulture 0 0 0
Turkey Vulture 0 0 0
Osprey 0 1 1
Bald Eagle 0 6 6
Northern Harrier 0 0 0
Sharp-shinned Hawk 0 3 3
Cooper's Hawk 0 7 7
Northern Goshawk 0 0 0
Red-shouldered Hawk 0 0 0
Broad-winged Hawk 0 0 0
Red-tailed Hawk 2 134 134
Rough-legged Hawk 0 2 2
Swainson's Hawk 0 1 1
Ferruginous Hawk 1 3 3
Golden Eagle 0 7 7
American Kestrel 0 16 16
Merlin 0 2 2
Peregrine Falcon 0 2 2
Prairie Falcon 1 6 6
Mississippi Kite 0 0 0
Unknown Accipiter 1 4 4
Unknown Buteo 1 7 7
Unknown Falcon 0 1 1
Unknown Eagle 0 0 0
Unknown Raptor 0 4 4
Total: 6 206 206
----------------------------------------------------------------------
Observation start time: 08:00:00
Observation end time: 15:00:00
Total observation time: 7 hours
Official Counter: Bill Wuerthele
Observers: Janet Shin, Roger Rouch
Visitors:
Debbie Baldwin; Tricia Beaver; Carol Harmon stopped by with their own hawk
identification guides. They had been told about the program by a friend
and were interested; stopped to talk and ask questions.
Weather:
Warm, sunny day with light to moderate east winds throughout much of the
day (high temperature of 70 degrees F). High, scattered clouds in the
morning with cumulus clouds building in the west after noon; cloud cover
increasing to about 30%. Smoke from the forest fire limited visibility to
the south somewhat in the morning, but cleared off later in the day. The
constant east wind ensured smoke was not a problem on the Ridge.
Temperature and humidity data are from the Weather Underground Station at
Rooney Road. No bar. pressure data are available.
Raptor Observations:
Migrating Raptors: total of 6 migrating raptors - two adult Red-tailed
Hawks; a Prairie Falcon, hurried along by the local Prairie Falcon; an
unidentified Accipiter and an unidentified Buteo, both seen high above the
West ridge, gliding north; and a probable juvenile, light morph
Ferruginous Hawk gliding east of the Ridge (a naked-eye bird - very light
overall underneath, essentially unmarked; upper wings mottled, light brown
with bold, white wing panels; light upper tail; wings held in a dihedral as
the bird glided along the east side of the Ridge).
Non-migrating Raptors: a local, immature Golden Eagle was seen several
times along the West Ridge, once being harassed by a Red-tailed Hawk; the
local Prairie Falcon was seen on a number of occasions during the day, once
carrying prey; a local American Kestrel was seen flying south along the
east side of the Ridge; and local Red-tailed Hawks were seen over the West
Ridge and Green Mountain.
Non-raptor Observations:
Non-Raptors: Western Meadowlarks; Spotted Towhees; Black-billed Magpies;
Townsend's Solitaires; a Common Grackle; American Crows; Common Ravens;
Western Scrub-Jays; Rock Pigeons; and a probable Eastern Bluebird (perched
male in the scope).
========================================================================
Report submitted by Rocky Mountain Bird Observatory (jeff.bi...@rmbo.org)
Dinosaur Ridge information may be found at:
http://www.rmbo.org/
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 the Rocky Mountain
Bird Observatory from about 9 AM to around 4 PM from the first week of
March to the first week of 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 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
ridge.
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<b>Dinosaur Ridge</b><br>Colorado, USA<br><br><table border=1><tr><td colspan=4 bgcolor=c0c0e0><b>Daily Raptor Counts: </b>Mar 28, 2012</td></tr><tr><td><b><font color=2020c0>Species</font></b></td><td><font color=2020c0>Day's Count</font></td><td><font color=2020c0>Month Total</font></td><td><font color=2020c0>Season Total</font></td></tr><tr><td>Black Vulture</td><td align=right>0</td><td align=right>0</td><td align=right>0</td></tr>
<tr><td>Turkey Vulture</td><td align=right>0</td><td align=right>0</td><td align=right>0</td></tr>
<tr><td>Osprey</td><td align=right>0</td><td align=right>1</td><td align=right>1</td></tr>
<tr><td>Bald Eagle</td><td align=right>0</td><td align=right>6</td><td align=right>6</td></tr>
<tr><td>Northern Harrier</td><td align=right>0</td><td align=right>0</td><td align=right>0</td></tr>
<tr><td>Sharp-shinned Hawk</td><td align=right>0</td><td align=right>3</td><td align=right>3</td></tr>
<tr><td>Cooper's Hawk</td><td align=right>0</td><td align=right>7</td><td align=right>7</td></tr>
<tr><td>Northern Goshawk</td><td align=right>0</td><td align=right>0</td><td align=right>0</td></tr>
<tr><td>Red-shouldered Hawk</td><td align=right>0</td><td align=right>0</td><td align=right>0</td></tr>
<tr><td>Broad-winged Hawk</td><td align=right>0</td><td align=right>0</td><td align=right>0</td></tr>
<tr><td>Red-tailed Hawk</td><td align=right>2</td><td align=right>134</td><td align=right>134</td></tr>
<tr><td>Rough-legged Hawk</td><td align=right>0</td><td align=right>2</td><td align=right>2</td></tr>
<tr><td>Swainson's Hawk</td><td align=right>0</td><td align=right>1</td><td align=right>1</td></tr>
<tr><td>Ferruginous Hawk</td><td align=right>1</td><td align=right>3</td><td align=right>3</td></tr>
<tr><td>Golden Eagle</td><td align=right>0</td><td align=right>7</td><td align=right>7</td></tr>
<tr><td>American Kestrel</td><td align=right>0</td><td align=right>16</td><td align=right>16</td></tr>
<tr><td>Merlin</td><td align=right>0</td><td align=right>2</td><td align=right>2</td></tr>
<tr><td>Peregrine Falcon</td><td align=right>0</td><td align=right>2</td><td align=right>2</td></tr>
<tr><td>Prairie Falcon</td><td align=right>1</td><td align=right>6</td><td align=right>6</td></tr>
<tr><td>Mississippi Kite</td><td align=right>0</td><td align=right>0</td><td align=right>0</td></tr>
<tr><td>Unknown Accipiter</td><td align=right>1</td><td align=right>4</td><td align=right>4</td></tr>
<tr><td>Unknown Buteo</td><td align=right>1</td><td align=right>7</td><td align=right>7</td></tr>
<tr><td>Unknown Falcon</td><td align=right>0</td><td align=right>1</td><td align=right>1</td></tr>
<tr><td>Unknown Eagle</td><td align=right>0</td><td align=right>0</td><td align=right>0</td></tr>
<tr><td>Unknown Raptor</td><td align=right>0</td><td align=right>4</td><td align=right>4</td></tr>
<tr><td><b><font color=c02020>Total:</font></b></td><td align=right><font color=c02020>6</font></td><td align=right><font color=c02020>206</font></td><td align=right><font color=c02020>206</font></td></tr></table><br><br><table cellspacing=2 cellpadding=2><tr><td>Observation start time: </td><td>08:00:00 </td></tr><tr><Td>Observation end time: </td><Td>15:00:00 </td></tr><tr><td>Total observation time: </td><td>7 hours</td></tr><tr><td>Official Counter</td><td>Bill Wuerthele</td></tr><tr><td>Observers: </td><td>Janet Shin, Roger Rouch</td></tr></table><br><br><br><b>Visitors:</b><br>Debbie Baldwin; Tricia Beaver; Carol Harmon stopped by with their own hawk
identification guides. They had been told about the program by a friend
and were interested; stopped to talk and ask questions. <br><br><b>Weather:</b><br>Warm, sunny day with light to moderate east winds throughout much of the
day (high temperature of 70 degrees F). High, scattered clouds in the
morning with cumulus clouds building in the west after noon; cloud cover
increasing to about 30%. Smoke from the forest fire limited visibility to
the south somewhat in the morning, but cleared off later in the day. The
constant east wind ensured smoke was not a problem on the Ridge.
Temperature and humidity data are from the Weather Underground Station at
Rooney Road. No bar. pressure data are available.<br><br><b>Raptor Observations:</b><br>Migrating Raptors: total of 6 migrating raptors - two adult Red-tailed
Hawks; a Prairie Falcon, hurried along by the local Prairie Falcon; an
unidentified Accipiter and an unidentified Buteo, both seen high above the
West ridge, gliding north; and a probable juvenile, light morph
Ferruginous Hawk gliding east of the Ridge (a naked-eye bird - very light
overall underneath, essentially unmarked; upper wings mottled, light brown
with bold, white wing panels; light upper tail; wings held in a dihedral as
the bird glided along the east side of the Ridge).
Non-migrating Raptors: a local, immature Golden Eagle was seen several
times along the West Ridge, once being harassed by a Red-tailed Hawk; the
local Prairie Falcon was seen on a number of occasions during the day, once
carrying prey; a local American Kestrel was seen flying south along the
east side of the Ridge; and local Red-tailed Hawks were seen over the West
Ridge and Green Mountain. <br><br>Non-raptor Observations:<br>Non-Raptors: Western Meadowlarks; Spotted Towhees; Black-billed Magpies;
Townsend's Solitaires; a Common Grackle; American Crows; Common Ravens;
Western Scrub-Jays; Rock Pigeons; and a probable Eastern Bluebird (perched
male in the scope).<br><br><hr>Report submitted by Rocky Mountain Bird Observatory (<a href="mailto:jeff.bi...@rmbo.org">jeff.bi...@rmbo.org</a>)<br>Dinosaur Ridge information may be found at: <a href="http://www.rmbo.org/">http://www.rmbo.org/</a><br><br><b>Site Description</b><br>Dinosaur Ridge is the only regularly staffed hawkwatch in Colorado and is the<br>best place in the world to see migrating Ferruginous Hawks. Dinosaur Ridge may<br>be the best place in the country to see the rare dark morph of the Broad-winged<br>Hawk (a few are seen each spring). Hawkwatchers who linger long enough may see<br>resident Golden Eagles, Red-tailed Hawks and Prairie Falcons, in addition to<br>migrating Swainson's, Cooper's and Sharp-shinned Hawks, American Kestrels and<br>Turkey Vultures. Peregrine Falcons and Ferruginous Hawks are uncommon; Northern<br>Goshawk is rare but regular. Non-raptor species include Rock Wren, and sometimes<br>Bushtit, Western Bluebird, Sandhill Crane, White-throated Swift, American White<br>Pelican or Dusky Grouse. Birders are always welcome.
<br>The hawkwatch is generally staffed by volunteers from the Rocky Mountain Bird<br>Observatory from about 9 AM to around 4 PM from the first week of March to the<br>first week of May.<br><br><b>Directions to site:</b><br>From exit 259 on I-70 towards Morrison, drive south under freeway and take left<br>into first parking lot, the Stegosaurus lot. Follow small signs from the south<br>side of lot to hawkwatch site. The hike starts heading east on an old two-track<br>and quickly turns south onto a trail on the west side of the ridge. When the<br>trail nears the top of the ridge, turn left, head through the gate, and walk to<br>the clearly-visible, flat area at the crest of the ridge.<br><br><br><br></body></html><pre>
Message from discussion HSR: Dinosaur Ridge (28 Mar 2012) 6 Raptors
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