San Diego, California, USA.
Has been judged close to L. modestus or L. crassirostris. Monotypic.
Breeds in NW Mexico in Gulf of California (particularly I Rasa, off E Baja California) S to Nayarit; also Pacific coast of Baja California (S from San Benito Is). Unsuccessful nesting attempts in USA along California coast N to San Francisco Bay#R. Disperses commonly to C California, USA, and in smaller numbers N to British Columbia, Canada, and S to Guatemala.
Food and feeding
Status and conservation
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