Rhodostethia rosea
grrlscientist | February 13, 2009tags: Ross's Gull, Rhodostethia rosea, birds, mystery bird, bird ID quiz
[Mystery bird] Ross's Gull, Rhodostethia rosea, photographed near the Tuttle Creek Reservoir outflow tubes in Kansas. [I will identify this bird for you tomorrow].
Image: Dave Rintoul, 14 January 2009 [larger view].
Please name at least one field mark that supports your identification.
In alternate plumage, the pinkish cast to the plumage and black ring around the head are diagnostic. In basic plumage, the evenly gray wings on both the upper and under surfaces and the wedge-shaped tail (which isn't easily seen in…