Folks,
I spent 3 hours at Cherry Creek checking out the gulls. There are several large groups of gulls with possibly 400 - 500 birds total. FOY California Gulls have arrived. I could not find the adult Glaucous Gull, but it certainly could still be there. The 1st cycle Glaucous gull remains and at least 4 adult Lesser Black-backed Gulls. There are several Thayer's Gulls, at least 4 adults and a couple of 1st cycle birds. A pale, 1st cycle gull looks good to me for Kumlien's Iceland Gull. It is smallish compared to the Herring Gulls and has a small head and bill. It is very uniformly pale, including primaries. I posted some pics of the bird at the link below.
Glenn Walbek
Castle Rock, CO
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