A fairly small bird of lowland and foothill forest and edge. Blue feet and yellow bill. Male has white belly, bright red upperparts down to the upper chest, metallic green breast band with thin yellow line above and 2 tail wires ending in a metallic green, snail-shaped disk. Female is brown with barred underparts. Male unmistakable. Female similar to female Magnificent Bird-of-Paradise, but female King has yellow rather than blue bill. Voice, a descending series of nasal whines.