Gulls (Laridae)

Western Gull (Larus occidentalis) - HBW 3, p. 607

French: Goéland d'Audubon German: Westmöwe Spanish: Gaviota Occidental

Taxonomy: Larus occidentalis Audubon, 1839, Cape Disappointment, Washington.
Interbreeds freely with L. glaucescens at N end of range. Two subspecies recognized.

Subspecies and Distribution:

  • occidentalis Audubon, 1839 - NW Washington (Destruction I) to C California (Farallon Is).
  • wymani Dickey & Van Rossem, 1925 - C California (Monterey Bay) to C Baja California (Guadalupe I).