25–28.5 cm Adult laoensis: Blackish-brown, buffy bib, dull reddish bill
with greyish tip.Juvenile: Browner; paler bill. Other subspecies C.s.sumatranus (extreme S Thailand southwards).
VOICE 6–8 shrill upward-inflected thin whistles: hi-ky-ui ky-ui
ky-ui.. or ky-ee ky-ee ky-ee ky-ee... Shrill thin falling
pseeoo and piercing high tsiu; sometimes repeated quavering
ch wit in flight. HABITAT Broadleaved forests; up to 1,220 m.
RANGE Un R S Myanmar, Tenasserim, Thailand (except C), Pen
Malaysia, Cambodia, Laos, Vietnam (except W,E Tonkin).
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