Beehler, B. M. and Pratt, T. K. 2016. Birds of New Guinea. Distribution, taxonomy, and systematics. Princeton University Press, Princeton, New Jersey.
Bryan, J.E. and Shearman, P.L. (Eds). 2015. The State of the Forests of Papua New Guinea 2014: Measuring change over the period 2002-2014. University of Papua New Guinea, Port Moresby.
Coates, B. J. 1985. The birds of Papua New Guinea, 1: non-passerines. Dove, Alderley, Australia.
Pratt, T. K. and Beehler, B. M. 2015. Birds of New Guinea. Princeton University Press, Princeton.
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Recommended citation
BirdLife International (2024) Species factsheet: Blue-black Kingfisher Todiramphus nigrocyaneus. Downloaded from
https://datazone.birdlife.org/species/factsheet/blue-black-kingfisher-todiramphus-nigrocyaneus on 22/12/2024.
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 22/12/2024.