I was at the beach on a place where fishermen comes in. One of them threw a bucketful of fish offal into the water, and this gull was one of the ones picking off as much as it could get.
Laughing Gulls (Larus atricilla subsp. megalopterus), Brown Pelican (Pelecanus occidentalis subsp. carolinensis). It started with these three gulls trying to kleptoparasitize the Brown Pelican. The pelicans learn to keep their bills under water which frustrates the gulls and they give up. In...
I believe this is the 8th or 9th record for San Mateo County. Subspecies L. a, megalopterus recognized by Clements/eBird, HBW, IOC & HM4 considered a junior synonym of nominate by BNA and thus invalid.
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