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 - Cassin's Auklet
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Cassin's Auklet Ptychoramphus aleuticus Scientific name definitions

David G. Ainley, D. A. Manuwal, Josh Adams, and A. C. Thoresen
Version: 1.0 — Published March 4, 2020
Text last updated July 29, 2011

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Figure 1. Breeding and year-round range of Cassin's Auklet. - Range Map
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  • Year-round
  • Migration
  • Breeding
  • Non-Breeding
Figure 1. Breeding and year-round range of Cassin's Auklet.

Southern populations appear to be sedentary, northern populations migratory, but data are needed to clarify movements.

Recommended Citation

Ainley, D. G., D. A. Manuwal, J. Adams, and A. C. Thoresen (2020). Cassin's Auklet (Ptychoramphus aleuticus), version 1.0. In Birds of the World (A. F. Poole, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.casauk.01
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