Birds of Mexico

    CHARADRIIFORMES: Alcidae (Auks)  
Genus: Ptychoramphus (1 species, 1 worldwide)


Cassin's Auklet
Cassin's Auklet (Ptychoramphus aleuticus aleuticus) Near Threatened
Farallone NWR, California, United States  
   
Photograph by Julio Mulero     Copyright and usage info



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