Thursday, 16 July 2020

Re: [cobirds] Semipalmated Plover at Clear Creek and Lowell Blvd. Adams County question

Hi Joe!
I actually have a question about this. Can fledgling Killdeer have a bicolored bill like adult Semipalmated Plovers, or would a bicolored (yellow and black) bill on a plover with a single stripe around the neck be a satisfactory number of field marks to rule out any aged Killdeer?
Thanks so much!
The birds are happy, and so am I
~Caleb Alons, Larimer County

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