Bonaparte's Gull, Barr Lake, Adams County?

[rjpa...@gmail.com]

Saw two smaller gulls at Barr Lake yesterday, fluttering flight, dipping down to the water and back, appearing white from far, far away on the boardwalk through binoculars (Barr Lake is extremely low, and the water is far from the trail).  My guess was Bonaparte's, but they were too distant to see any field marks.   Has anyone else seen them?  

R.J. Pautsch

Boulder, CO

[Susan Rosine]

I saw a Sabine's Gull a few days ago on a spit out from the bird banding station, but haven't noticed any other gulls except Ring-billed and California.

Susan Rosine

Volunteer, Bird Conservancy of the Rockies

Brighton, Adams County

On Thu, Sep 16, 2021, 9:46 AM rjpa...@gmail.com <rjpa...@gmail.com> wrote:

Saw two smaller gulls at Barr Lake yesterday, fluttering flight, dipping down to the water alnd back, appearing white from far, far away on the boardwalk through binoculars (Barr Lake is extremely low, and the water is far from the trail).  My guess was Bonaparte's, but they were too distant to see any field marks.   Has anyone else seen them?  

R.J. Pautsch

Boulder, CO

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