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second cycle
glaucoides
Iceland Gull
Fig 1) This bird resembles a first cycle from below, but note the pale eye. October 6, 2010. Thorlakshoefn, Arnessysla, Iceland. Photo courtesy of Omar Runolfsson.

Figs 2 and 3) Note the heavily patterned tail and slight markings near the tips of the outer primaries, and the strongly bi-colored bill. January 27, 2012. Grimsby, Lincolnshire, United Kingdom. Photos courtesy of Dean Eades.

Fig 4) This bird can be aged by the patches of pale blue-gray coming in on the mantle and the finely marbled coverts and tertials, all signs of second cycle. February 3, 2012. Southwest Iceland. Photo courtesy of Omar Runolfsson.

Fig 5) This species is often delayed in acquiring adult blue-gray in the mantle. However, the marbled coverts and tertials, pale bill tip, and pale eye all suggest second cycle. February 3, 2012. Southwest Iceland. Photo courtesy of Omar Runolfsson.

Fig 6) This bird is probably molting into third cycle now. None of the feathers look especially worn, and the outer primaries may be fresh. May 6, 2011. Thorlakshoefn, Arnessysla, Iceland. Photo courtesy of Omar Runolfsson.