I have included here images of adult and immature birds, and of adult L. f. intermedius from Portugal and Cape Hatteras, North Carolina. Also see the Large Lesser Black-backed page.
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Adult, Hatteras, late December.
Adult, Lagos Portugal, January 1994.
Attaining third winter (possibly fourth), Hatteras, October 1995.
Adult intermedius, Lagos Portugal, January 1995. Slightly underexposed. Note the first winter Yellow-legged Gull to the left.
Adult intermedius, Hatteras, March 1995. This bird is on the cover of the August 1995 Birding.
Another adult graellsii wing shot, Hatteras, December 1995. Note the adult GBBG with, as usual, a dark eye.
Attaining second winter, October 1995, Hatteras.
Attaining second winter, October 1995, Hatteras, same bird as above.
Attaining second winter, October 1995, Hatteras, same bird as above.
Juvenile/first winter Herring, juvenile Lesser, first summer/second winter Lesser, October 1995.
First summer/second winter Lesser, October 1995, Hatteras, same bird as above.
Second winter Lesser, December 1995, Hatteras.
First winter Lesser, December 1995, Hatteras.
Another first winter Lesser, October or December 1995, Hatteras.
First winter Lesser, Hatteras, same as above.
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