(syn. Todiramphus Ϯ Flat-billed Kingfisher T. recurvirostris) Portmanteau of genera Todus Brisson, 1760, tody, and Halcyon Swainson, 1821, kingfisher; "T. recurvirostris is quite in agreement as to bill characters, save that the upward tendency is a little more exaggerated. The wing is round, but the wing-formula disagrees notably with the above, the first primary being longer than the sixth and also the secondaries, the second longer than the fifth, and the third and fourth longest. In coloration this species agrees with the Sauropatis (s. str.) group, and I have little doubt it is a recent island derivative of the sanctus-vagans series. Specimens of the latter from the northern islands show the same upturning of the bill, and in some cases a noticeable broadening and depression, so that its nearest allies would seem to be this group and not true Todiramphus. I propose to distinguish this species as a new genus TODALCYON." (Mathews 1818).

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Recommended citation
Jobling, J. A. (2019). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2019). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 16 January 2019).