Distribution: Endemic to a small area of south Myanmar and adjacent west Thailand.
Description: 65-75 cm. Male 854-912 g; female 683-797 g. Medium-sized hornbill with generally dark brown plumage and rufous underparts, wings and tail tipped white. Male has dull rufous cheeks and throat and creamy bill and small casque; female is browner with darker cheeks and black bill and casque; both have small patches of blue naked skin around the eye. Juvenile resembles adult male but paler brown with a light yellow short bill without casque.
Voice: The call is very similar to that of Austen’s Brown Hornbill.
Habits: Found in both evergreen and deciduous forests, it prefers dense primary forest. From the foothills to 1,500 m elevation, occasionally visit higher forests. Similar to its sister species, it lives in a small group of 5-7 birds all year round, but large groups of more than ten can be seen. Food comprises both fruits and animals where fruits include Polyalthia viridis (Annonaceae), Canarium euphylum (Burseraceae), Cryptocarya pallen and Beilschmiedia gammieana (Lauraceae), Aglaia spectabilis (Meliaceae) and Horsfieldia glabra and Knema spp (Myristicaceae); animals are insects, centipedes, snakes, skinks and lizards, crabs and mice.