Arendt, W. J., J. Faaborg, G. E. Wallace, and O. H. Garrido. 2004. Biometrics of birds throughout the greater Caribbean basin. Proceedings of the Western Foundation of Vertebrate Zoology 8: 1-33.
BirdLife International. 2011. Species factsheet: Narrow-billed Tody Todus angustirostris. Downloaded from BirdLife International on 3 March 2011.
Bond, J. 1948. Origin of the bird fauna of the West Indies. Wilson Bulletin 60: 207-229.
Kepler, A. K. 1972. A comparative study of todies (Aves: Todidae): with emphasis on the Puerto Rican Tody. Unpublished Ph.D. thesis, Cornell University.
Kepler, A. K. 1977. Comparative study of todies (Todidae): with emphasis on the Puerto Rican Tody, Todus mexicanus. Publications of the Nuttall Ornithological Club number 16. Nuttall Ornithological Club, Cambridge, Massachusetts.
Kepler, A. K. 2001. Family Todidae, Todies. Pages 250-263 in J. del Hoyo, A. Elliott, and J. Sargatal (editors), Handbook of the birds of the world. Volume 6. Mousebirds to hornbills. Lynx Edicions, Barcelona, Spain.
Lack, D. 1976. Island biology: illustrated by the land birds of Jamaica. University of California Press, University of California, Berkeley and Los Angeles.
Latta, S. C., and J. M. Wunderle. 1996. Ecological relationships of two todies in Hispaniola: effects of habitat and flocking. Condor 98: 769-779.
Mayr, R. and C. F. Knopf. 2007. A Tody (Alcediniformes: Todidae) from the Early Oligocene of Germany. Auk 124: 1294–1304.
Murie, J. 1872a. On the skeleton of Todus, with remarks as to its allies. Ibis: 664-680.
Murie, J. 1872b. On the motmots and their affinities. Proceedings of the Zoological Society of London 1872: 383-412.
Olson, S. L. 1976. Oligocene fossils bearing on the origins of the Todidae and Motmotidae (Aves: Coraciiformes). Smithsonian Contributions to Paleobiologogy. 27: 111-119. Collected papers in avian paleontology honoring the 90th birthday of Alexander Wetmore.
Overton, L. C., and D. D. Rhoads. 2004. Molecular phylogenetic relationships based on mitochondrial and nuclear gene sequences for the todies (Todus, Todidae) of the Caribbean. Molecular Phylogenetics and Evolution 32: 524-538.
Parker, T. A., III, D. F. Stotz, and J. W. Fitzpatrick. 1996. Ecological and distributional databases. Pages 113-436 in D. F. Stotz, J. W. Fitzpatrick, T. A. Parker III, and D. K. Moskovits, Neotropical birds: ecology and conservation. University of Chicago Press, Chicago, Illinois.
Raffaele, H., J. Wiley, O. Garrido, A. Keith, and J. Raffaele. 1998. A guide to the birds of the West Indies. Princeton University Press, Princeton, New Jersey.
Ridgway, R. 1914. The birds of North and Middle America. Part VI. Bulletin of the United States National Museum 50, part 6.
Rolle, F. 1960. Notes on the todies of the Greater Antilles. Memorias de la Sociedad Cubana de Historia Natural 25: 85-87.
Sclater, P. L. 1872a. Observations on the systematic position of the genera Peltops, Eurylaemus, and Todus. Ibis: 177-180.
Sclater, P. L. 1872b. Todus is allied to Alcedo and still more to Momotus. Ibis: 179-180.
Sick, H. 1967. Courtship behavior in Manakins (Pipridae): a review. The Living Bird 6: 5-22. Cornell Laboratory of Ornithology, Ithaca, New York.