[cobirds] Re: Snowy Owl Boulder County

[Earl Johnson]

About 20 minutes before sunset the bird was spooked by a dog walker and 
flew north over Boulder Reservoir.  Lost to view so we drove around 
checking the reservoir and surrounding fields hoping to relocate.  No luck 
but hoping it sticks around so some more people get to see it! 





On Wednesday, January 17, 2018 at 4:54:52 PM UTC-7, Earl Johnson wrote:
>
> Currently looking at an immature or female Snowy Owl.  Seen from the ne 
> bound side diagonal highway about a mile west of 63rd st.  Wide shoulder so 
> but it's rush hour so lots of traffic.   Easy to see from car so no need to 
> get out and risk spooking it. 
>
> Earl Johnson 
> Boulder County 
> ryanearl...@msn.com 
> 303 618 9456

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[cobirds] Re: Barnacle Goose Redux

[David Wade]

Greetings all,

A quick search of "waterfowl for sale" reveals a Barnacle Goose can be had 
for 200-500$, with free shipping! for the pricier ones. I thought about 
buying a Smew, Baikal Teal and Mandarin Duck so I could rock the birding 
world with a string of incredible finds  but alas, they were out of stock.

David Wade
Ft Colllins CO


>

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[cobirds] Barnacle Goose Redux

['Steven Mlodinow' via Colorado Birds]

Greetings All


I don't enjoy taking down my own bird, but it is good to look thru a broad 
spectrum of information rather than focusing on the decisions of the IL Bird 
Records Committee, assuming such is actually final.


The Greenland population, distinctly the most proximate to the US and Canada 
numbered at only 9000 in 1959 to 28000 by the mid-1970s and 70,500 about 10 
years ago. So, yes, the chance of vagrancy has increased. 


But where to?


This species is a short-distance migrant. Going from Greenland to eastern 
Canada and the ne. USA would make sense and might result from mirror image 
migration from the species' usual Greenland to Scotland route, but more likely 
results from birds joining Greenland-breeding Canadas, which do winter in 
northeastern (not western Great Lakes) USA and Canada. Why would a population 
that rarely winters as far south as the north of France stray to places such as 
California, New Mexico, and southern Texas. Is the grass not lush enough 
farther northeast? 


Unfortunately, I don't have the recent spread of data as some states validate 
Barnacle Goose on eBird and others don't (I do believe all should be validated, 
unless incorrectly ID'd or known escapes so that any pattern could be teased 
out)


But as of the early 1980s, as many Barnacle Geese had been reported from 
Oklahoma as Maine, New Hampshire, and Vermont combined. There were 16 records 
from IL, WI, and MI compared to about 25 from all of New England despite a 
significant bias against these birds being reported away from the northeast. 


And if one was to compare the pattern of occurrence away from the eastern 
seaboard (as of the early 1980s), there were as many records from June as from 
February. Hardly a natural looking pattern. 


So, let's look at some Barnacle Goose cohorts. Pink-footed Goose has a similar 
breeding and wintering range to Barnacle Goose and had a similar population 
increase, from about 20,000 in the 1930s to 350,000 in the early 2000s.


The Greenland breeding population of Greater White-fronted Goose has a 
population of about 25,000, steady or slightly down over last 20-30 years.


Pink-footed Goose has but two records (one from near Victoria BC and the other 
from the outer coast of WA) that are west of central PA and easternmost ON 
listed on eBird. The total number of records from North America is also far 
fewer than those for Barnacle Goose. 


In parallel, the number of Pink-footed Geese in captivity in North America is 
tiny (rather close to zero, for some reason) compared with that of Barnacle 
Goose, which is "Generally for sale at cheap prices and is easy to breed" 
(Reeber's Waterfowl of North America, Europe, and Asia). Coincidence?


Greater White-fronted Goose (Greenland flavor) has only once been recorded (to 
eBird) w of Ontario, in TN. It is occasionally kept in captivity, which may 
explain the TN record and those from FL. 


So, if you are not asleep or at a different post yet...
Yes, Barnacle Goose might actually occur in CO, wandering here from Greenland. 
However, the odds look quite low at this time. 


Sleep Well
Steven Mlodinow
Longmont CO


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[cobirds] Least Sandpipers - Mesa County

[Mike Henwood]

This morning Eileen Cunningham, Kevin Pape, Dave Price and I birded
Horsethief Canyon SWA.  At the same location that Hank Schoch found the
Least Sandpipers on Jan. 3, 2018, we saw a flock of American Pipits (25) on
a gravel bar.  As we watched the pipits through our scopes we soon
discovered 4 *Least Sandpipers* (small sandpipers with yellowish legs) as
well as 4 Killdeer on the same gravel bar.  On another gravel bar not far
away we discovered some Wilson's Snipe feeding along the edge of the gravel
bar --
4 to start with, then 6, 8, no 9.wait, there were 14 snipe in all.  We
counted them several times to make sure.

Later on in the morning at the west end of the property we found a first
year brown Northern Shrike.   Personally I haven't seen many brown first
year birds, normally the ones I see are gray first winter birds.

Location for Least Sandpipers:
>From the parking lot entrance at Horsethief Canyon SWA, go west along the
main road to the next road going north (small corrals
where you turn right or north).  Go to the parking lot at the end of this
road.  From the parking lot, walk north to the Colorado River and check the
gravel bars in this area.


Mike Henwood
Grand Junction
Mesa County

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[cobirds] Snowy Owl Boulder County

[Earl Johnson]

Currently looking at an immature or female Snowy Owl.  Seen from the ne bound 
side diagonal highway about a mile west of 63rd st.  Wide shoulder so but it's 
rush hour so lots of traffic.   Easy to see from car so no need to get out and 
risk spooking it. 

Earl Johnson
Boulder County
ryanearl...@msn.com
303 618 9456

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[cobirds] Lathrop Birding

[mvjohnski]

Today there was considerable open water on Martin Lake (Huerfano 
County) and it had some interesting birds. My favorites were male and 
female Hooded Mergansers. Mountain Bluebirds were plentiful. Other birds 
included Bewicks Wren, Townsend's Solitaire, RC Kinglet, and Common 
Goldeneye. 

John Rawinski
Monte Vista, CO 

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[cobirds] Swing and Miss at Standley

[mvjohnski]

On Jan 16th afternoon, I gave the Standley Lake Open Space a good walk and 
then neighborhood drive to find the Snowy Owl. No luck but wonderful park. 

This morning, Leon Bright, Bill DeMoss and myself saw the Snowy Owl at the 
South Marina which made for a fabulous way to start a day. 

John Rawinski
Monte Vista, Colorado

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[cobirds] Pueblo Snowy Owl

['Tom McConnell' via Colorado Birds]

Being seen by several observers at 130pm.
T

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[cobirds] Rare Bird Alert for Wednesday, January 17

[Mary Driscoll]

Compiler: Mary Driscoll
1ste-mail:  RBA AT cobirds.org 
Date:January 17, 2018

This is the Rare Bird Alert for Wednesday, January 17 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 now using the new AOU checklist and the order of families has 
changed.

BARNACLE GOOSE (Arapahoe)
Greater White-fronted Goose (Boulder, El Paso, Jefferson)
BRANT (Douglas,Weld)
Trumpeter Swan (Garfield)
BLACK SWAN (Weld)
MUTE SWAN (Weld)
Mallard (Mexican Intergrade) (Boulder)
Greater Scaup (*Mesa, Pueblo,*Weld)
White-winged Scoter (*Arapahoe, Bent, Jefferson, Weld)
Long-tailed Duck (Arapahoe, Jefferson, Pueblo, Weld)
Barrow’s Goldeneye (Adams, Costilla, Garfield, Pueblo) 
Greater Prairie-Chicken (Yuma)
Red-necked Grebe (Jefferson, Larimer, Pueblo)
White-winged Dove (Pueblo)
Greater Roadrunner (El Paso)
Mew Gull (Pueblo)
Iceland Gull (El Paso, Larimer, Pueblo) 
Glaucous Gull (Bent, Boulder, Larimer, Pueblo)
Great Black-backed Gull (*Pueblo)
Pacific Loon (Pueblo)
YELLOW-BILLED LOON (*Arapahoe/Jefferson, Jefferson)
Double-crested Cormorant (Adams, Bent, Pueblo)
American White Pelican (Bent, Boulder)
HARRIS’S HAWK (*Larimer)
Snowy Owl (*Jefferson,*Pueblo)
RED-BREASTED SAPSUCKER (*El Paso)
Ladder-backed Woodpecker (El Paso)
Say’s Phoebe (Arapahoe, Broomfield, Denver, Larimer)
Chihuahuan Raven (El Paso)
Common Raven (Adams)
Mountain Chickadee (Larimer, Pueblo)
Pygmy Nuthatch (Arapahoe, Morgan, Phillips)
Winter Wren (Arapahoe)
Pacific Wren (*La Plata)
Carolina Wren (Pueblo)
Brown Thrasher (*San Miguel)
Mountain Bluebird (Pueblo)
Hermit Thrush (Arapahoe)
Varied Thrush (*El Paso)
American Pipit (Adams, Boulder, Pueblo)
Brown-capped Rosy-Finch (Pitkin)
Red Crossbill (Arapahoe)
White-winged Crossbill (Pueblo)
Purple Finch (Kiowa)
Common Redpoll (*Chaffee)
European Goldfinch (Boulder)
Lapland Longspur (Bent, El Paso, Pueblo)
SMITH’S LONGSPUR (Kit Carson)
Snow Bunting (Kiowa, Logan)
Field Sparrow (Kiowa)
Fox Sparrow (Larimer)
Lincoln’s Sparrow (El Paso, Jefferson, Larimer, Mesa, Pueblo)
Swamp Sparrow (Weld)
Harris’s Sparrow (Larimer, Pueblo)
Rusty Blackbird (Larimer)
Yellow Warbler (Mesa)
Pine Warbler (Arapahoe, Larimer)
Yellow-rumped Warbler ( Adams, Jefferson, Larimer, Pueblo)
Prairie Warbler (Pueblo)
Northern Cardinal (Logan)

ADAMS COUNTY:
---On January 8 at S. Platte River and mouth of Sand Creek, David Dowell 
reported 4 Double-crested Cormorants and 3 Yellow-rumped Warblers.
---On January 6 at S. Platte River at 88th, Julia Auckland reported 6 Barrow’s 
Goldeneyes and Double-crested Cormorant.  On January 7 at S. Platte River at 
88th Ave, Bill Fink reported m Barrow’s Goldeneye.  On January 8 at S. Platte 
River at 88th Ave, Eric DeFonso reported Barrow’s Goldeneye and Double-crested 
Cormorant. On January 15 Nick Komar reports 4 Barrow’s Golden eye on the South 
Platte between 78th and 88th Ave, and a flock of American Pipits.
---On January 8 at 63rd and Fillmore, Christy Payne reported 2 Double-crested 
Cormorants and 7 Yellow-rumped (Audubon’s) Warblers.
---On January 8 at S. Platte River and 78th Ave, David Dowell reported 2 
Double-crested Cormorants.

ARAPAHOE COUNTY:
  
---On January 5 at Dahlia Hollow Park, Chris Gilbert reported Hermit Thrush.  
On January 6 at Dahlia Hollow Park, Bez Bezuidenhout and Cynthia Madsen 
reported Pine Warbler, Hermit Thrush, and White-throated Sparrow.  On January 7 
at Hollow Park, Cherry Hills Village Anna Troth and Gregg Goodrich reported 
Hermit Thrush.  On January 9 at Dahlia Hollow Park, Loch Kilpatrick reported 2 
Pygmy Nuthatch and Hermit Thrush.
---On January 5 at S. Platte Reservoir, Joey Kellner reported YELLOW-BILLED 
LOON in north end of reservoir.
---On January 7 At Cherry Creek Valley Ecological Park, Cynthia Madsen and 
David Hill reported Say’s Phoebe.
---On January 7 at High Line Canal Trail Blackmer Lake, Jared Del Rosso 
reported 3 Pygmy Nuthatch.
---On January 8 at Goldsmith Gulch Trail between E. Crescent Parkway and E. 
Prentice Ave in Greenwood Village, Connie Kogler reported Winter Wren.  On 
January 9 at 5400 E. Crescent Parkway in Greenwood Village, Loch Kilpatrick 
reported Winter Wren.
—On January 9 at Aurora Reservoir, Steve Mlodinow reported BARNACLE GOOSE, 
Iceland (kumlieni) Gull, 3 Iceland (Thayer’s) Gulls, Glaucous Gull, and 4 
Long-tailed Ducks.
—On January 11 at Aurora Reservoir, Cheri Phillips reported White-winged Scoter.
—On January 12 at South Platte Park, South Platte Reservoir John Drummond 
reported the White-winged Scoter. On January 13 Patrick O’Driscoll reported the 
YELLOW-BILLED LOON and White-winged Scoter at South Platte Park Reservoir. On 
January 14 Richard Trinkner reported White-winged Scoter and YELLOW-BILLED LOON 
at South Platte Park, South Platte Reservoir. On January 15 Nick Komar reported 
the YELLOW-BILLED LOON 

[cobirds] Colorado Christmas Bird Count Results

[Brandon]

Hi all,

Compilers are submitting results of their Christmas Bird Counts to the
CBC Website.  I'm looking over the results, and asking for details or
photos for rare birds.  If you photographed any rare bird on any
Christmas Bird Count in Colorado this past year (Dec 14-Jan 5), please
make sure to send me a photo, or let me know where I can see the
photo.  You can look on the CBC Website at each count's results, and
see if I've seen a photo or not.  If a rare bird has a Photo that I've
seen (there should be "ph" included in the Regional Editor's Comment).
If there is a "dd", this means details desired", so please send me a
photo or written description.  I'm trying to reach compilers, if I
want details for things, though, if you saw a rare bird on a CBC, you
are welcome to send me the details or photos.  When compilers are
finished entering their data, they will check off Count Completed, and
then I can look over the results.

To look over the results go to:
http://netapp.audubon.org/cbcobservation/
Go to Current year
Results by Count
Select Country: Untied States
Select State: Colorado
and then the list of completed CBCs in Colorado will appear

-- 
Brandon Percival
Colorado Christmas Bird Count Regional Editor
Pueblo West, CO

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