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Dusky Broadbill - BirdForum Opus

Photo by jaray
Photo taken: Kangkrajan National Park, Thailand.
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]

Corydon sumatranus laoensis S Myanmar to n Thailand and Indochina

Corydon sumatranus sumatranus Extreme s Thailand, Malay Peninsula, Sumatra and Penang I.

Corydon sumatranus brunnescens Northwest Borneo (Sarawak) and North Natuna Islands Corydon sumatranus 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

  1. 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.


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