Re: [cobirds] Re: Mexican Duck marina at Cherry Creek SP (Arapahoe county(

The warm brown breast (contrasting with the sides) and slightly upturned tail feathers are traits of a male Mallard x Mexican Duck intergrade.  

- Joshua Smith

Fort Collins, CO

Sent from my iPhone

On Jan 14, 2019, at 6:15 PM, Ben S <benrmnp@gmail.com> wrote:

Hi all -

The male Mexican Duck swam close to a female Mallard the whole time I was there; possible pair? Again, I believe this to be a pure Mexican Duck. The tail shows no signs of Mallard hybridization. However, it seeems Mexican Duck X Mallard hybrids are much more common in CO than pure Mexican, so if someone disagrees with the pure Mexican Duck ID I am open to that feedback. Appears to be first Arapahoe county ebird record! Here is the photo I promised: 

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My ebird checklist has more photos: https://ebird.org/edit/checklist?subID=S51684135

Ben Sampson 

Centennial, CO 

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