Date: 1/24/19 3:53 pm
From: <joe.kipper28...>
Subject: Re: [cobirds] Re: What is this goose? [Weld]
You're right - the feathers do look wet/ruffled. It could also be oil. Good
point, Dave.
Joe Kipper
Fort Collins

On Thursday, January 24, 2019 at 3:29:10 PM UTC-7, Mark Obmascik wrote:
>
> Sibley says oilfield waste pits kill up to 2 million birds a year:
>
> https://www.sibleyguides.com/conservation/causes-of-bird-mortality/
>
> More info from US Fish and Wildlife Service here:
>
>
> https://www.fws.gov/mountain-prairie/contaminants/documents/COWDFBirdMortality_000.pdf
>
> Good birding,
>
> Mark Obmascik
> Denver, CO
>
> On Thursday, January 24, 2019, 1:51:14 PM MST, DAVID A LEATHERMAN <
> <daleat......> <javascript:>> wrote:
>
>
> Joe, Gary, et al,
> I have seen a few geese lately, particularly at Milavec Res in Frederick,
> that appeared oil-stained. That is another possibility with this bird.
> Feathers look "wet". Without seeing the bird up close, or actually
> inspecting it in-hand, may be tough to tell which it is for sure, melanism
> or oil. If aquatic insects land on my blue Honda all the time, thinking
> it's a pond, I would imagine waterfowl can land in pools of oil thinking
> they are clean water. Just a thought.
>
> Dave Leatherman
> Fort Collins
>
> ------------------------------
> *From:* <cob......> <javascript:> <cob......>
> <javascript:>> on behalf of <joe.ki......> <javascript:> <
> <joe.ki......> <javascript:>>
> *Sent:* Thursday, January 24, 2019 11:47 AM
> *To:* Colorado Birds
> *Subject:* [cobirds] Re: What is this goose? [Weld]
>
> Hello Gary,
> If you look closely at the face of the goose in your photos (especially
> the photo where the goose is facing sideways), you can see the outline of
> the "cheek patch" that occurs on Canada and Cackling geese. On an ordinary
> cackling goose, that patch would be white; on this goose it seems to be a
> lightish brown which contrasts with the dark color of the rest of the
> goose. Once you see it, the cheek patch is quite obvious and because of
> that field mark I would call this goose a melanistic cackling goose. (I'm
> assuming it's cackling based off of the stubby bill, but lesser Canada is
> not out of the question.) There have been recent reports of a couple
> different melanistic cackling geese in Northern Colorado, and the goose you
> photographed appears very similar to the pictures from those other reports.
> This is just my opinion, and other people might have different opinions,
> but I would confidently ID it as a melanistic cackling goose.
> Joe Kipper
> Fort Collins
>
> On Thursday, January 24, 2019 at 10:29:49 AM UTC-7, The "Nunn Guy" wrote:
>
> Hi all
>
> Domestic or hybrid? Photos here:
>
> http://www. friendsofthepawneegrassland. org/albums/view/65/35th-ave-
> gravel-pit-ponds-greeley
> <http://www.friendsofthepawneegrassland.org/albums/view/65/35th-ave-gravel-pit-ponds-greeley>
>
> Thanks Gary Lefko, Nunn
> http://www. friendsofthepawneegrassland. org/
> <http://www.friendsofthepawneegrassland.org/>
>
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