[cobirds] Slaty-backed Gull, Weld County

2022-03-29 Thread Nicholas Komar
The Stoll Brothers from Tennessee report thousands of gulls at Black Hollow 
Reservoir including the adult Slaty-backed Gull, 10:30 am, 3-29-2022. Viewing 
is very long distance from Weld CR 19, about one 1.5 miles north of Hwy 14. 
Otherwise, property around the lake is private. Birds at the lake move back and 
forth to north weld landfill, where access is restricted and viewing from 
public roads is obstructed. I believe this is a first county record for Weld. 


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[cobirds] Slaty-backed gull at Boyd Lake south end this morning

2022-03-27 Thread Gregg Goodrich
Slaty-backed gull at Boyd Lake south end this morning


Josh got Ann and I on it this morning and just after he left a fisherman in
a boat flushed most of the gulls. It flew NW so maybe back to Horseshoe.

Gregg Goodrich
Highlands Ranch


https://groups.google.com/g/cobirds/c/ijfcg4Zmvuk

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Re: [cobirds] Slaty-backed gull at Boyd Lake south end this morning

2022-03-27 Thread Nicholas Komar
“Golf lock”=gull flock ;-)

> On Mar 27, 2022, at 8:33 AM, Nicholas Komar  wrote:
> 
> Josh Bruening reports that the golf lock at the south end of Boyd lake this 
> morning, Sunday 327 2022, contains Slaty-backed, immature Kumlien’s Iceland 
> Gull and Franklin‘s Gull. 
> 
> Nick Komar
> Fort Collins CO

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[cobirds] Slaty-backed gull at Boyd Lake south end this morning

2022-03-27 Thread Nicholas Komar
Josh Bruening reports that the golf lock at the south end of Boyd lake this 
morning, Sunday 327 2022, contains Slaty-backed, immature Kumlien’s Iceland 
Gull and Franklin‘s Gull. 

Nick Komar
Fort Collins CO

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[cobirds] Slaty-backed Gull redound, Larimer

2022-03-26 Thread Nicholas Komar
Joe Kipper spotted the gull this afternoon at Horseshoe Lake southwest corner. 
Thanks Joe!

Nick Komar
Fort Collins CO

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Re: [cobirds] Slaty-backed Gull potential Aurora Reservoir, Arapahoe County

2022-01-08 Thread Diane Roberts
Cobirders,

After expert reviews, consensus is Lesser Black-black Gull vs any potential.

Good birding,

Diane Roberts
Highlands Ranch 

Sent from my iPhone

> On Jan 8, 2022, at 7:04 PM, Buzz Schaumberg  wrote:
> 
>  Love it!
> 
> 
> Sent from the all new Aol app for iOS
> Buzz Schaumberg 
> 
> On Saturday, January 8, 2022, 9:55 AM, Diane Roberts  
> wrote:
> 
> Cobirds,
> 
> Tina & I are looking at  coal black backed Gull with pink legs, which 
> eleminates a Lesser Black-backed Gull. The head is blocky, opened wings 
> string of pearls, & nape streaking, red gonydeal spot at the swim beach at 
> Aurora Reservoir, Arapahoe County. 
> 
> Diane Roberts
> Highlands Ranch
> Sent from my iPhone
> 
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[cobirds] Slaty-backed Gull potential

2022-01-08 Thread Diane Roberts
Cobirds,

Tina & I are looking at  coal black backed Gull with pink legs, which 
eleminates a Lesser Black-backed Gull. The head is blocky, opened wings string 
of pearls, & nape streaking, red gonydeal spot at the swim beach at Aurora 
Reservoir, Arapahoe County. 

Diane Roberts
Highlands Ranch
Sent from my iPhone

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[cobirds] Slaty-backed Gull

2018-12-28 Thread 'Steven Mlodinow' via Colorado Birds
Greetings All


Sorry to be a bit harsh, but to focus on the leg color of the Slaty-backed Gull 
(SBGU) based on from fuzzy poorly lit photos is a great silliness. Comments 
based on experience with a single bird is rash, at best. For instance, look at 
the SBGU at https://ebird.org/view/checklist/S32827708


Leg color is famously variable in gulls, based on age, hormones, even 
temperature. In the Pacific NW, where these beasts are regular, we paid little 
attention to the leg color of a potential SBGU. And also note that observers of 
this bird did note that the legs were brighter pink than surrounding Herring 
Gulls


Indeed, as with any gull, confident diagnosis is based on a set of marks, as 
any given mark is variable within any given species. 


The short wings, presence of a secondary skirt, dull yellow and proportionately 
gentle bill, large chested and small headed build, prominent dusky smudge 
around a staring white eye, pink legs, broad tertial and scapular crescents, 
broad white trailing edge to wing, and primary pattern (some of these marks 
seen at close range, others at distance, many both) form basis for a solid ID


Part of the problem is that there have been a number of reports clearly NOT 
referring to the original bird which had minimal red and no black on bill. 


I have not seen a convincing description of this bird since 23 December, which 
does not mean subsequent sightings have been in error. Clearly, birds with big 
bills, prominent red, or any black refer to a different bird than that 
originally seen. Birds with bulky heads, likewise.


Best Regards
Steven Mlodinow

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[cobirds] Slaty-backed Gull yes/Larimer

2018-12-23 Thread Nicholas Komar
Tim Smart and I just had the adult Slaty-backed Gull at Horsetooth Res oposite 
Dixon Dam. Flew south. Trying to relocate now. 

Nick Komar ;-)
Fort Collins 

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Fwd: [cobirds] Slaty-backed gull

2014-01-06 Thread drchartier
Sorry.  Didn't sign post.

David Chartier
Colorado Springs




Sent with the Samsung Galaxy Exhilarate™, an ATT 4G LTE smartphone.

 Original message 
Subject:[cobirds] Slaty-backed gull
From:drchartier drchart...@msn.com
To:cobirds@googlegroups.com
Cc:


Showed up at about 3:10.



Sent with the Samsung Galaxy Exhilarate™, an ATT 4G LTE smartphone.

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[cobirds] Slaty-backed Gull arrived at Aurora Res

2014-01-03 Thread Glenn and Laurie
Just got word the bird showed up for the many waiting birders.

Glenn Walbek
Castle Rock, CO

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Re: [cobirds] Slaty-backed Gull arrived at Aurora Res

2014-01-03 Thread Nick Komar
Does anyone know if birders have access to the local landfill?
Thanks,
Nick Komar
Fort Collins CO

Sent from my iPhone

 On Jan 3, 2014, at 4:32 PM, Glenn and Laurie jun...@comcast.net wrote:
 
 Just got word the bird showed up for the many waiting birders.
  
 Glenn Walbek
 Castle Rock, CO
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