[cobirds] Re: Harris's Sparrow, Westerly Creek, Denver County

[Adam Vesely]

Here's a photo of the gorgeous Harris's Sparrow of Westerly Creek (Denver 
Co.), around 5:30 PM, 3/9/2017.  

Adam Vesely
Thornton, CO


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[cobirds] Dinosaur Ridge (09 Mar 2017) 5 Raptors

[reports]

Dinosaur Ridge
Colorado, USA
Daily Raptor Counts: Mar 09, 2017
---

SpeciesDay's CountMonth Total   Season Total
-- --- -- --
Black Vulture0  0  0
Turkey Vulture   0  0  0
Osprey   0  0  0
Bald Eagle   0  6  6
Northern Harrier 0  0  0
Sharp-shinned Hawk   0  0  0
Cooper's Hawk0  0  0
Northern Goshawk 0  0  0
Red-shouldered Hawk  0  0  0
Broad-winged Hawk0  0  0
Red-tailed Hawk  4 32 32
Rough-legged Hawk0  0  0
Swainson's Hawk  0  0  0
Ferruginous Hawk 0  0  0
Golden Eagle 0  1  1
American Kestrel 0  0  0
Merlin   0  0  0
Peregrine Falcon 0  1  1
Prairie Falcon   0  0  0
Mississippi Kite 0  0  0
Unknown Accipiter0  0  0
Unknown Buteo0  3  3
Unknown Falcon   1  1  1
Unknown Eagle0  0  0
Unknown Raptor   0  0  0

Total:   5 44 44
--

Observation start time: 09:00:00 
Observation end   time: 13:00:00 
Total observation time: 4 hours

Official Counter:Mitchell Blystone

Observers:

Visitors:
Little traffic on the trails though Pat Connor, JeffCo Open Space and
former Hawk Watch volunteer stopped by to check in and watch the skies for
a bit.


Weather:
The morning began with a slight breeze from the west and near calm sunny
conditions.  Eventually the wind came from the east and during the noon
hour it became very strong and swirling at the site.  The sun remained out
and temps reached 66F.

Raptor Observations:
The local Red tails were very active all day and even shared an intimate
moment on the power lines to the east.  I did observe an unidentified
falcon early in the morning flying near some of the local Red tails but
it's path went straight east until it disappeared on the south side of
Green Mountain.  The migrating birds observed came from the Mtn
Morrison/Two Pines area and for the most part were very high up.   

Non-raptor Observations:
Blue birds!! Several groups flew right past or right through  the platform.
 The Scrub Jays were very vocal and busy and some were carrying sticks when
they flew over.  Townsend's Solitaires, Magpies, and Chickadees
(Black-capped?) were hanging out as well.

Predictions:
No thoughts on predictions for tomorrow but I would say that between today
and my last day up it seems that when you see one moving through there will
be a couple accompanying bringing up the rear. 

Report submitted by Bird Conservancy of the Rockies 
(jeff.bi...@birdconservancy.org)
Dinosaur Ridge information may be found at:
http://www.birdconservancy.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 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 

[cobirds] Harris's Sparrow, Westerly Creek, Denver County

[cteuton]

Around noon today, we were able to re-find the Harris's Sparrow first reported 
by Jason Bidgood, in roughly the same area that he originally found it.
A skulky Brown Thrasher also made a brief appearance, not that there's any 
other kind...
On Sunday, a bit north on the same trail, we also had an early Lincoln's 
Sparrow associating with a small flock of juncos. Cheryl Teuton 
Aurora 

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[cobirds] Pieplow Field Guide

[Larry Modesitt]

Cobirders, 

My copy of the Peterson Field Guide to Bird Sounds of Eastern North America, 
written by fellow Colorado birder, Nathan Pieplow, just arrived.  

It is a joy to see this book finally in print, and I can see why it took over a 
decade to prepare. What an outstanding contribution to birding this is! Those 
of us who have seen Nathan’s articles in Birding, or heard his talks at DFO, or 
taken his workshops at CFO or WFO, or followed his blog, earbirding.com, know 
that Nathan has sought to advance the ability to describe birdsong. He, with 
help from many other experts, has done this admirably. I believe he is 
developing a birdsong vocabulary. (As we know, much of science is advanced by 
development of new or standardized terms, helping us to make finer 
distinctions). You probably already can tell a trill from a warble, but can you 
differentiate four different kinds of croaks? Did you know that Nathan has 
suggested certain splits, based upon birdsong alone? Do your eyes glaze over at 
the sight of a spectrogram? Nathan’s descriptions demystify them, helping us 
understand features quickly. His classifications will help birders to identify 
a bird by its song more readily, and learn those songs more quickly. Nathan 
developed his knowledge through analysis of recordings, many his own, then 
analyzing them for their components. We don’t need to know how he did this to 
use his analysis to our advantage.

I learned to recognize birdsong through the audiotapes “Birding by Ear” by 
Walton and Lawson in 1989 which taught me to group songs. When I went to Costa 
Rica, for example, I downloaded new songs into those groupings on my iPod. At 
the worst, I could narrow down an unfamiliar song to a group on my iPod and 
review the group to pinpoint the songster. Nathan’s methods go much further. 
The index, for example, lists types of song, and the birds that sing those 
types. In addition, recordings (5,400 in total) accompany each bird included.

Are you just beginning to learn to recognize birdsong by ear? This will 
accelerate your learning. Are you an expert who can recognize songs and calls 
from all species in North America? This book will help you appreciate 
differences and meanings in an individual’s song 

Portrayed is birdsong of 520 eastern birds, most of which also occur in the 
west, again helping with identification and learning of specific birds. Don’t 
be put off by the lack of Townsend’s Warbler song. Buy this book to learn how 
to be a better birder. Remember, experts (not me) identify 90% of the birds by 
their songs. (I have no financial interest in this book). Check it out on 
Earbirding.com.

Larry 

Larry Modesitt
Chairman
Bird Conservancy of the Rockies



www.birdconservancy.org 

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[cobirds] CFO convention, Call for Papers, IMPORTANT ADDENDUM

[Ted Floyd]

Hi, everybody. Sorry, a line got cut off at the end. It is important. Here 
it is:

*Please submit your abstract to Dr. Christy Carello,*
*carello "at" msudenver "dot" edu*

Note that the abstracts go to Christy Carello (carello "at" msudenver "dot" 
edu), not to Yours Truly!

Thanks, and sorry for the peccadillo.

Ted Floyd
Lafayette, Boulder County 

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[cobirds] Call for Papers, CFO convention, June 2017

[Ted Floyd]

Hello, everybody. Please see below for the Call for Papers for the June 1-5 
CFO Convention to be held in Steamboat Springs. For general information on 
the convention, please see:

http://cobirds.org/CFO/Conventions/Next.aspx

Okay here's the Call for Papers:



The annual convention of the Colorado Field Ornithologists will be held 
Thursday, June 1 through Monday, June 5, 2017, in Steamboat Springs, 
Colorado. We invite proposals for presentations to be given during the 
scientific paper session on June 3 from 1:30-4:30 pm. Speakers will have 
15-20 minutes to present their topics and lead question-and-answer 
sessions. Topics of interest include ongoing research into Colorado birds 
and their habitats, advances in the field identification of Colorado birds, 
and new information regarding the status and distribution of Colorado 
birds. Abstracts should be 200-250 words and should include a title, the 
name(s) and affiliation(s) of the presenter(s), an d the email address(es) 
of the presenter(s). Abstract submissions must be received by April 28, 
2017 for consideration.

Please be aware of our new student/youth registration fees of only $25. 
This includes the welcome picnic, guided field trips, student social, paper 
session, and the banquet with keynote speaker Sheri Williamson. All persons 
presenting papers must register for the convention.



See you in Steamboat!

Ted Floyd
Lafayette, Boulder County

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[cobirds] Northern shrike, Larimer County

[Dave Hyde]

Yesterday, March 8th at 1.15pm I spotted a Northern shrike near Storm Mountain, 
east of Estes Park in Larimer county []

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[cobirds] Great-tailed Grackle [Drake Lake, Severance, Weld]

[The "Nunn Guy"]

Hi all

One Great-tailed Grackle at Drake Lake.

Photos:  http://coloradobirder.club/m/photos/home/
Video:  http://coloradobirder.club/m/videos/browse/album/Colorado-Birds/

Thanks
Gary Lefko, Nunn
http:/coloradobirder.club/

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[cobirds] Osprey returns to Pueblo 3/9

[Brandon]

Saw my first of the spring Osprey, standing on a Osprey Platform on
the west end of Pueblo Reservoir, in State Wildlife Area on NW side
this morning.

Other stuff around Pueblo Reservoir, Pueblo Co. (this morning)
Rock Wren - 1 (my first of the spring)
Red-necked Grebe - 1
Common Loon - 4

-- 
Brandon Percival
Pueblo West, CO

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[cobirds] Colorado Rare Bird Alert, 9 March 2017

[Ira Sanders]

Compiler:   Ira Sanders
e-mail:RBA AT cobirds.org
Date:   March 9, 2017
This is the Rare Bird Alert for  Thursday, March 9 sponsored by Denver
Field Ornithologists and the Bird
Conservancy of the Rockies.

Highlight species include:  (* indicates new information on this species)

NOTE:  The RBA is using the new AOU checklist and the order of
families has changed.

BRANT (*Jefferson)
Trumpeter  Swan (Douglas)
Tundra Swan (Eagle, Pueblo)
AMERICAN BLACK DUCK (Weld)
Long-tailed Duck (Larimer)
Sharp-tailed Grouse (Larimer)
Red-necked Grebe (Pueblo)
Greater Roadrunner (Baca)
American Woodcock (Larimer)
Thayer’s Gull (Adams, Larimer, Weld)
ICELAND GULL (Weld)
Lesser Black-backed Gull (Adams, Douglas, Larimer, Pueblo, 8Weld)
Great Black-backed Gull (Larimer, Pueblo)
Lewis’s Woodpecker (Las Animas)
 ACORN WOODPECKER (Pueblo)
Red-bellied Woodpecker (Baca)
Williamson’s Sapsucker (Boulder, Pueblo)
Yellow-bellied Sapsucker (El Paso)
Ladder-backed Woodpecker (Baca)
American 3-toed Woodpecker (*Boulder)
Chihuahuan Raven (Baca)
Winter Wren (Baca, *El Paso)
Curve-billed Thrasher (Prowers, Pueblo)
Red Fox Sparrow (El Paso)
Lincoln‘s Sparrow (Boulder)
Rusty Blackbird (Arapahoe)
Great-tailed Grackle (Weld)

ADAMS COUNTY:
---On March 2 at Rocky Mountain Arsenal at Lake Ladora, Candice
Johnson reported Lesser Black-backed Gull.

ARAPAHOE COUNTY:
---On March 5 at Cherry Creek SP, Christine Alexander reported Rusty
Blackbird.

BACA COUNTY:
---On March 3 at Two Buttes Reservoir, Daniel Maynard reported Greater
Roadrunner and 2 Chihuahuan Ravens.
---On March 3 at Two Buttes SWA below dam, Daniel Maynard reported
Red-bellied Woodpecker, Ladder-backed Woodpecker, and Winter Wren.

BOULDER COUNTY:
---On March 4 at Heil Valley Ranch, Wapiti Trail, Kathy Mihm Dunning
reported Williamson’s Sapsucker.
---On March 7, Thomas Heinrich reports an American 3-toed Woodpecker at
Heil Ranch.

DOUGLAS COUNTY:
---On February 27 Brandon Percial reported Trumpeter Swan at Chatfield
SP on pond viewed from High Line Canal Trail, accessed from Titan
Road.  On March 3, Gregg Goodrich and Ben Lagasse reported Trumpeter
Swan in SE Pond at Chatfield, best viewed from Highline Canal Trail on
Rampart Range Rd.
On March 4, Joy and Leonard Lake reported Trumpeter Swan viewed from
High Line Canal Trail accessed from W Titan Road.

EAGLE COUNTY:
---On March 3 at Blue Lake in El Jebel, Lynne Hertzog reported 2 Tundra
Swans.

EL PASO COUNTY:
---On February 27 at Sinton Pond Open Space, Richard Taylor, David
Tonnessen, Brandon Percival, Kara Carragher and Richard Bunn reported
Red Fox Sparrow.  On March 2 at Sinton Pond Open Space, David
Tonnessen reported Winter Wren and John Bruder reported Fox Sparrow.
On March 4, Chris Brobin reported Winter Wren at Sinton Pond Open
Space.  On March 5, John Drummond reported Winter Wren at Sinton Pond
Open Space.
---On March 3 at Sondermann Park in Colorado Springs, John Bruder
reported Yellow-bellied Sapsucker.  On March 4 at Sondermann Park,
David Tonnessen, Aaron Driscoll, Richard Bunn, and Jan Albright
reported Yellow-bellied Sapsucker .  On March 6 at sondermann Park,
Kim Mauritz reported Winter Wren.

JEFFERSON COUNTY:
---On February 27 at Indian Tree Golf Course, Brandon Percival
reported BRANT.  On February 28, Heidi Retherford reported BRANT at
Indian Tree Golf Course.  On March 7, Tyler Stuart reported the BRANT
continues at Indian Tree Golf Course.

LARIMER COUNTY:
---On February 26 at Bobcat Ridge, Cheryl Teuton and Dan Brooke
reported American woodcock in creek east of ranger’s house.  On
February 27 at Bobcat Ridge, Brandon Percival reported American
Woodcock.  One February 28, Susan Rosine reported American Woodcock at
Bobcat Ridge.  On March 3, Marier Hoerner reported American Woodcock
at Bobcat Ridge.
--- On March 1 at Horseshoe reservoir, Andy Bankert reported 2
Thayer’s Gulls, 13 Lesser Black-backed Gulls, and Great Black-backed
Gull.  On March 2 at Horseshoe Reservoir, Robert Beauchamp reported 2
Thayer’s Gulls and 7 Lesser Black-backed Gulls.  On March 3 at
Horseshoe Reservoir, David Wade reported Thayer’s Gull, 8 Lesser
Black-backed Gulls (3 imm, 5 ad) and Great Black-backed Gull.  On
March 3 at Horsehsoe reservoir, Brandon Nooner reported juv Thayer’s
Gull, 7 Lesser Black-backed Gulls, and juv Great Black-backed Gull.
---On March 3 at Lory State Park, Cheryl Teuton and Dan Brooke
reported Long-tailed Duck viewed from North Eltuck Bay.  On March 4,
Joe Mammoser reported Long-tailed Duck at Lory State Park, North
Eltuck Bay.
---On March 3 at Boyd Lake SP, David Wade reported Thayer’s Gull and
Lesser Black-backed Gull on the North end.
---On March 5 at Douglas Reservoir, David Wade reported Sharp-tailed Grouse.

LAS ANIMAS COUNTY:
---On March 1 at Lake Dorothy, Chuck Hundertmark reported 12 Lewis’s
Woodpeckers.

PUEBLO COUNTY:
---On February 28 at Pueblo Reservoir, Brandon Percival reported that
the Red-necked Grebe continues.
On March 5 at Pueblo Reservoir, Art Hudak