Family Cuckoos (Cuculidae)

Least Concern

Long-billed Cuckoo (Chalcites megarhynchus)


French: Coucou à long bec German: Langschnabelkuckuck Spanish: Cuclillo piquilargo

Cuculus megarhynchus

G. R. Gray

, 1858,

Aru Islands


Previously placed in monotypic genus Rhamphomantis, but genetic data group it with members of present genus#R; has alternatively been included in Chrysococcyx. Proposed race sanfordi (Waigeo) known only from one female specimen, apparently similar to others on mainland New Guinea; juvenile and subadult plumages of this species have only recently begun to be understood, and race sanfordi probably best rejected meantime. Monotypic.


W Papuan Is (Waigeo, Misool), Aru Is and New Guinea (Vogelkop and interior of N coast E to Kumusi R; also upper Fly R and Port Moresby area).

Descriptive notes

18 cm; 31 g. Adult male dark brown above, head black, dull greyish brown below; eye-ring and iris red, long bill black with drooping tip. Female dark cinnamon above, head... read more


Loud, distinct trill, a descending series of evenly spaced notes, lasting 4 sec, and repeated at... read more


Tall forests (c. 70 m high) and openings in them; occurs in lowlands.

Food and feeding

Insects, mainly caterpillars, also flying ants. Gleans prey from foliage, branches or bark.


Unknown. Female with egg in oviduct ready to lay in Sept.



Status and conservation

Not globally threatened. Species is generally rare and local; because of its restricted range, it has in the past been considered near-threatened. Extensive research required... read more

Recommended citation

Payne, R. (2020). Long-billed Cuckoo (Chalcites megarhynchus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 25 February 2020).