This whistler is restricted to Guadalcanal in the Solomon Islands. It lives in montane forest and feeds mainly on insects.
Males have a black head and tail, olive upperparts, a dark-grey chin and upper breast, and yellowish-olive lower underparts. Females have a grey head, greenish-olive upperparts, and pale-grey throat and upper breast.
It inhabits montane forests, mainly at about 1,200–2,400 m. It eats insects and sometimes takes small snails, berries, or seeds; it is resident.
An extinction-risk assessment has not been added yet.