- Black Guillemot
 - Black Guillemot (mandtii)
 - Black Guillemot
 - Black Guillemot

Black Guillemot Cepphus grylle Scientific name definitions

Ronald G. Butler, Daniel E. Buckley, David N. Nettleship, Peter F. D. Boesman, and Ernest Garcia
Version: 1.0 — Published March 4, 2020

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Recommended Citation

Butler, R. G., D. E. Buckley, D. N. Nettleship, P. F. D. Boesman, and E. F. J. Garcia (2020). Black Guillemot (Cepphus grylle), version 1.0. In Birds of the World (S. M. Billerman, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.blkgui.01