Heerman's Gull adult breeding
Heerman's Gull adult breeding
Heerman's Gull adult winter
Heerman's Gull adult winter
Heerman's Gull adult winter on cliff
Heerman's Gull adult winter on cliff
Heerman's Gull 2nd winter in flight
Heerman's Gull 2nd winter in flight
Heerman's Gull adult non-breeding dorsal
Heerman's Gull adult non-breeding dorsal
Heerman's Gull adult non-breeding ventral
Heerman's Gull adult non-breeding ventral
Heerman's Gull 1st winter in flight
Heerman's Gull 1st winter in flight
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