Mt Dulit, 4000 ft [c. 1220 m], Sarawak, Borneo.
The split of this “montane” form from “lowland” R. longirostris follows a proposal made in 1999#R. Male dulitensis shows white vs pale rufous belly (3); lower breast and flanks grey (as throat and upper breast; but a shade darker than grey of throat and upper breast of longirostris) vs mid-rufous (3); no pale rufous patches in wing-coverts (1); slightly darker chestnut chin and upper throat (ns). Monotypic.
Mountains of N Borneo in E Sarawak (Mt Murud, Mt Dulit and Batu Song); also Mt Kinabalu, in Sabah, where only old records exist#R.
Food and feeding
Status and conservation
Only subscribers are able to see the bibliography. Login or Subscribe to get access to a lot of extra features!