Until recently lumped with the previous species, Olrog's Gull breeds in only a few colonies on islands off the coast of
Argentina, both range and numbers (c.8000 pairs) being small. Obviously sharing a common ancestor with Band-tailed Gull,
the juvenile is distinctively different, this being one of the main
criteria for its current status as a full species.
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HOMEPAGE
OLROG'S GULL
Larus atlanticus
