The Fiji Shrikebill lives in Fiji's forests. White edges on both mandibles are diagnostic, while underpart color varies among island forms from ochre to pale gray. Field notes place it in dark forest understory, gleaning insects from vines and branches.
White edging along both mandibles is a diagnostic mark. The 1971 account describes ochre underparts in the Taveuni form and pale gray underparts in the Nausori Highlands form.
Field notes report insect gleaning from vines and branches in dark forest understory. On Taveuni, observers often saw pairs searching trunks and lianas in heavy forest understory.
An extinction-risk assessment has not been added yet.