The Southern Shrikebill occurs in New Caledonia and Vanuatu, using moist tropical forest, including heavily altered forest. It searches vegetation and bushes for invertebrates.
The bill is strongly compressed from side to side, with the lower mandible curving upward. The underside is brown like the upper surface.
It uses moist tropical and heavily altered forest and takes invertebrates while moving through trees and bushes.
An extinction-risk assessment has not been added yet.