Hornbills (Bucerotidae)

Wreathed Hornbill (Rhyticeros undulatus) - HBW 6, p. 516

French: Calao festonné German: Furchenhornvogel Spanish: Cálao Gorginegro
Other common names: Bar-pouched/Bar-throated Wreathed Hornbill, Northern Waved Hornbill

Taxonomy: Buceros undulatus Shaw, 1811, Java.
Genus sometimes merged with Aceros. Has in past sometimes been treated as conspecific with R. subruficollis. N mainland population described as race ticehursti on basis of larger size, and smaller Bornean birds as aequabilis, but variation apparently clinal and racial separation unwarranted. Monotypic.

Distribution: S Bhutan and NE India E to Vietnam (N Annam), and S to Sumatra, Borneo, Java and Bali, including several intervening offshore islands.