Long-billed Rhabdornis Rhabdornis grandis Scientific name definitions

16·3–18 cm; 45–46 g. Male has crown dark grey, feathers with darker grey to black tips, hindneck grey, leading to brown on back (with very faint shaft streaks), rump reddish-brown; lesser upperwing-coverts with conspicuous white shaft streaks and/or spots bordered by dark brown, primaries dark brown, secondaries reddish-brown; tail dark brown; blackish-brown mask from lores to nape, bordered above by white supraocular stripe and below by indistinct white malar stripe; black spots on side of neck behind mask; throat light grey; upper breast mottled grey and white, some black spots continuing from side of neck; side and flank feathers greyish-white, reddish-brown margins forming streaks that fade into side of breast; belly dirty white, undertail-coverts as flanks; iris brown; bill black or dark horn; legs brownish-grey. Female is similar to male in plumage, but slightly smaller. Immature plumage undescribed; thought to be similar to adult.

Cordillera Mts and Sierra Madre of N & NC Luzon, in N Philippines.

Middle-elevation and higher-elevation primary and secondary dipterocarp and hardwood forests , including logged forest. Not known from high-elevation pine (Pinus) forest, but likely to occur in mixed pine and hardwood forests.

Varied diet, including insects, seeds and fruits; green seeds and fleshy fruits found in stomachs. Found singly and in small groups, also in mixed-species flocks. Group of six individuals observed while foraging in crown of isolated tree along logging road at 700 m in Sierra Madre (in Cagayan Province); arrived at fruiting tree one or two at a time, flying across a valley from adjacent forests; same tree attracted several Philippine Hanging-parrots (Loriculus philippensis), Buzzing Flowerpecker (Dicaeum hypoleucum) and also R. mystacalis.