Rhyticeros subruficollis Blyth, 1843, Tenasserim. Monotypic. OTHER COMMON NAMES
English: Plain-pouched wreathed hornbill, Burmese hornbill, Tenasserim hornbill; French: Calao a gorge claird; German: Blythhornvogel; Spanish: Calao Gorgiclaro.
25.6-27.6 in (65-70 cm); female weight unknown, male 4.0-5.0 lb (1.81-2.27 kg). Black with short white tail, yellowish bill, and low ridged casque. Male has rufous crown with yellow throat skin; female all black with blue throat skin.
Southern Myanmar, western and southern Thailand, and northern Malaysia.
Lowland rainforest and mixed deciduous hill forest. BEHAVIOR
Reports of enormous flocks of more than 2,000 individuals traveling long distances near the Malay-Thai border suggest this species to be wide-ranging and makes extensive local movements.
FEEDING ECOLOGY AND DIET
Little known but believed to feed primarily on fruits.
Little information but believed to lay one to three eggs around January to March.
Classified as Vulnerable and listed on CITES Appendix I. Little known regarding status due to limited research and repeated confusion with wreathed hornbill.
SIGNIFICANCE TO HUMANS Hunted for food and kept as pets. ♦
Was this article helpful?