- Corydon sumatranus
Identification
Large and sluggish with blackish plumage. Broad pinkish bill and orbital skin together with buff throat and subterminal tail band of white spots diagnostic. Broad white bar at primaries conspicuous in flight. Yellow-orange streak on back usually inconspicous at rest but shows well in flight. Juvenile - bill paler,throat blackish, lacks streak on back. Size-28cm.
Distribution
Tenasserim (Myanmar) and Indochina, through the Malay Peninsula to Sumatra and Borneo.
Taxonomy
Subspecies[1]
- C. s. laoensis S Myanmar to n Thailand and Indochina
- C. s. sumatranus Extreme s Thailand, Malay Peninsula, Sumatra and Penang I.
- C. s. brunnescens Northwest Borneo (Sarawak) and North Natuna Islands
- C. s. orientalis Borneo (except northwest)
Habitat
Forests. Frequents the canopy and middle storey.
Behaviour
Usually in small noisy groups up to ten, even at nests. Sometimes solitary.
Vocalisation
Voice - A cadence of shrill thin notes, ki-ii-ki-ii,ki-ii raising inflection. Also a shrill pseeeo on a descending tone.
References
- Clements, JF. 2008. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2008. Ithaca: Cornell Univ. Press. ISBN 978-0801445019.