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Related to sicklebill: Manucodia


1. Any of several birds of paradise of the genus Epimachus of New Guinea, having a long curved bill like a sickle.
2. Either of two hummingbirds (Eutoxeres aquila or E. condamini) of South and Central America having similar bills.
3. Any of several other birds with similar sharply curved bills, such as Falculea palliata, a passerine bird of Madagascar.


(Animals) any of various birds having a markedly curved bill, such as Falculea palliata, a Madagascan bird of the family Vangidae, Hemignathus procerus, a Hawaiian honey creeper, and certain hummingbirds and birds of paradise


(ˈsɪk əlˌbɪl)

any of various birds that have a long, curved bill, as the curlew.
[1870–75, Amer.]
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2001) analyzed a more diverse hummingbird-plant assemblage, and found relatively high and diverse pollen loads for the Long-tailed Hummingbird (Phaetornis superciliosus), but just one pollen type for the White-tipped Sicklebill (Eutoxeres aquila).
And a few kinds, such as the white-tipped sicklebill (bottom right), even have curved bills.
Corolla curvature in Centropogon (Lobeliaceae) was found to be relatively labile and reversed to comparative straightness where no pollinating sicklebill hummingbirds were available (Stein, 1992).