Re: [cobirds] what flock was that? Larimer County

A flock of gulls sounds like a good bet. This time of year, I see large flocks of Ring-billed Gulls heading northwest over my house toward Boulder Reservoir in the early evening, on their way to roost for the night.

Nathan Pieplow

Boulder

On Mon, Oct 18, 2021 at 8:29 AM 'ronbco' via Colorado Birds <cobirds@googlegroups.com> wrote:

had a flock of many hundred slowly stream high over my house west of Berthoud yesterday

they perhaps were heading to Dry Creek Res which is just a mile north of me

so, yes they were heading north

they were high enough that I could not pick out any field markings and it is driving me to distraction wondering what they were

the sun and their vector was such that all I could make out was: smaller than sandhill and canada, bigger then mallard/duck, no color except perhaps white on the back/underside, chunky body with a bit of an extended neck...

they were silent

flew in somewhat disorganized V's, needed steady, but smooth, flapping... no gliding

could there be a flock of snow geese that large in the area?

Ron Bolton

Berthoud

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