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Mexican Species
| Cassin's Auklet (Ptychoramphus aleuticus) | |||
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| Subspecies | Hide subspecies | ||
| aleuticus | Aleutian Islands and Alaska to n Baja California | ||
| australis | S Baja (San Benito to Asunción and San Roque islands) | ||
| Endemic status | Not endemic | ||
| Sound Guide | |||
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