ラロトンガヒタキ Pomarea dimidiata

A thick-set flycatcher with bicolored plumage, dark above and white below. Body darker than grayish head. White of underparts often extends above the bill base. Juvenile entirely rufous; while gaining dark feathers, can look messy and mottled. Found in native forest, often in undergrowth, especially in small wet steep valleys. Voice reportedly a raucous, chattering “ter whik whik whik.”