Butcher, G. S.; Niven, D. K. 2007. Combining data from the Christmas bird count and the breeding bird survey to determine the continental status and trends of North American birds.
del Hoyo, J.; Elliott, A.; Sargatal, J. 1996. Handbook of the Birds of the World, vol. 3: Hoatzin to Auks. Lynx Edicions, Barcelona, Spain.
Nettleship, D.N.; Boesman, P.; Garcia, E.F.J. 2018. Pigeon Guillemot (Cepphus columba) . Barcelona
Search for photos and videos, and hear sounds of this species from the Macaulay Library
Recommended citation
BirdLife International (2024) Species factsheet: Pigeon Guillemot Cepphus columba. Downloaded from
https://datazone.birdlife.org/species/factsheet/pigeon-guillemot-cepphus-columba on 23/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 23/12/2024.