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Presumed adult Nelson's Gull, hybrid Herring x Glaucous Gull. It was larger with a paler mantle among Herring Gulls, no head streaking, a short primary extension, blackish (not jet black) primaries not as dark as Herring and pale undersides to the primaries. Tommy Thompson Park in Toronto, Ontario, Canada on 10 January 2016. We found this while doing the Lake Ontario Duck Count. With John Carley, Garth Riley and Carl Hills. |
