del Hoyo, J.; Elliott, A.; Sargatal, J. 1997. Handbook of the Birds of the World, Vol. 4: Sandgrouse to Cuckoos. Lynx Edicions, Barcelona, Spain.
Nicoll, M. J. 1906. Mr M J Nicoll on the birds collected and observed during the voyage of the Valhalla, RYS, from November 1905 to May 1906. Ibis: 666-712.
Tracewski, L.; Butchart, S.H.M.; Di Marco, M.; Ficetola, G.F.; Rondinini, C.; Symes, A.; Wheatley, H.; Beresford, A.E.; Buchanan, G.M. 2016. Toward quantification of the impact of 21st-century deforestation on the extinction risk of terrestrial vertebrates. Conservation Biology.
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Recommended citation
BirdLife International (2024) Species factsheet: Malagasy Coucal Centropus toulou. Downloaded from
https://datazone.birdlife.org/species/factsheet/malagasy-coucal-centropus-toulou on 06/12/2024.
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 06/12/2024.