Second Cycle ThayerŐs Gull
Larus thayeri
First view, mouth of the Dead
River, Marquette, Michigan, 21 April 2012 (note the diagnostic primaries
pattern); here is another photo
of the same bird with a good view of the undersize of the primaries; and here is another photo of the same
bird, this time on the water (note how easily this bird could be mistaken for a
bleached Herring Gull).
Another view, mouth of the Dead
River, Marquette, Michigan, 21 April 2012.
Another view, Lower
Harbor, Marquette, Michigan, 31 October 2011; here
is another photo of the same bird (showing the bill).