|
This article is incomplete. This article is missing one or more sections. You can help the BirdForum Opus by expanding it. |
|
- Aceros undulatus
Identification
Length 100 cm.
All-black wings contrasting with wholly white tail together with black bar on gular pouch diagnostic. Casque small with ridges. Bill whitish with corrugation on basal sides of maxilla and mandible. Orbital skin red.
Male: Crown and drooping crest brownish; gular pouch yellow; neck white. Female: Head black, gular pouch pale blue.
In flight the underwings and belly are all-black; together with the white tail, this is distinctive.
Distribution
North-east India and Myamar through Sout-East Asia to the Greater Sundas and Bali.
Taxonomy
Habitat
Forests.
Behaviour
Frequents the canopy. Usualy flies in compact flocks of five to eight. Often gathers at fruiting trees together with other species. In flight the wing-beats are continuous, producing a distinct loud and sharp swishing sound. Glides less than other hornbills.
