Date: 10/26/20 11:17 am
From: David T√łnnessen <davidtonnessenx...>
Subject: Re: [cobirds] Mallard x Mexican Duck hybrid, Boulder ?
Willem,

It was a post in the Advanced Bird ID Group, which you'll need to be a
member of to view. https://www.facebook.com/groups/357272384368972
Below is a screenshot of the discussion, though.

David Tonnessen
Colorado Springs

On Mon, Oct 26, 2020 at 10:47 AM <wwi......> <wwillem...> wrote:

> Sorry to have missed the earlier thread on this and thanks to Elena for
> bringing it to my attention. Seems the consensus is that it was a hybrid.
>
> David T.: I'd be grateful for the link to the FB discussion that you
> mention.
>
> Willem
> Boulder
>
> On Monday, October 26, 2020 at 9:26:45 AM UTC-6 Charles Hundertmark wrote:
>
>> Nice set of comparative photos to support the discussion.
>>
>> Chuck Hundertmark
>> Lafayette, CO
>>
>> On Oct 26, 2020, at 9:20 AM, <wwi......> <wwi......> wrote:
>>
>> Last Friday, I saw what looked to me like a male Mallard x Mexican Duck
>> hybrid. Yellow bill, brown head with darker crown, dark eye line, and brown
>> tail coverts all seem to suggest male Mexican Duck. However, white in tail
>> and partial upcurve of central tail feathers seem to suggest male mallard
>> (see photos). Seen in small pond in company of group of 9 mallards on the
>> north-east side of Pleasant View Marsh, just west of 47th St. eBird
>> checklist with photos: https://ebird.org/checklist/S75280196
>>
>> I'd welcome feedback from more knowledgeable folks. Thank you.
>>
>> Willem van Vliet
>> Boulder
>>
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--
*David Andreas Tonnessen*
Student @ CU Boulder
cell: 719-309-8572

Explore eBird <https://ebird.org/home> and iNaturalist
<https://www.inaturalist.org>, citizen science databases.

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