COBirders,
I made a quick stop at Barr Lake yesterday around midday to see if there were any gulls around. I only birded the "northwest" corner or right near the RMBO office. There were probably 2 to 3 thousand gulls flying around the reservoir but there was still a small strip of ice in the NW corner, undoubtedly gone by now. Among all the Ring-billed Gulls were a handful of Herrings, one adult Thayer's and a second cycle GLAUCOUS-WINGED GULL. It appears to be the same bird that Glenn Walbek photographed at Aurora Reservoir on 1/23/15. So this would not be the same bird reported at Barr by David Dowell as his bird was a 1st cycle bird. Here is a link to photos that Glenn took of this bird late last month:
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Mark Peterson
Colorado Springs
Colorado Springs
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