Stotz, D.F.; Fitzpatrick, J.W.; Parker, T.A.; Moskovits, D.K. 1996. Neotropical Birds: Ecology and Conservation. University of Chicago Press, Chicago.
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Recommended citation
BirdLife International (2024) Species factsheet: Thick-billed Vireo Vireo crassirostris. Downloaded from
https://datazone.birdlife.org/species/factsheet/thick-billed-vireo-vireo-crassirostris 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.