Cassin's Auklet ranges from Baja California (
Mexico) up the Pacific coast of the
USA and
Canada, through Alaska to the Aleutian Islands (USA) (del Hoyo et al. 1996)
.
Rights Holder: International Union for Conservation of Nature and Natural Resources
Bibliographic Citation: BirdLife International 2012.
Ptychoramphus aleuticus. In: IUCN 2014 . IUCN Red List of Threatened Species. Version 2014.1 . <
www.iucnredlist.org>
