Adult New Britain Boobooks have reddish-brown upperparts and yellow-orange eyes; females are larger than males. They are nocturnal, living alone or in pairs and hunting from forest perches.
Adults have reddish-brown upperparts with pale spots on the head and neck. A dark brown band with pale spots crosses the upper breast, and the eyes are yellow-orange. The account says females are considerably larger than males.
It is nocturnal and lives alone or in pairs. It perches in the middle to upper forest levels and drops silently onto prey. Insects are its main food.
An extinction-risk assessment has not been added yet.