The brown-headed paradise kingfisher (Tanysiptera danae), also known as the russet paradise kingfisher, is a species of bird in the family Alcedinidae. It is endemic to the lowland forest in the Bird's Tail Peninsula (Papua New Guinea). Its natural habitats are temperate forests and subtropical or tropical moist lowland forests. Like all paradise kingfishers this bird has colourful plumage with a red bill and distinctive long tail streamers. No subspecies are distinguished. The brown-headed kingfisher is 23 cm in length excluding the streamers which are up to 9 cm. They weigh between 37 and 50 g. The sexes are alike. The head, mantle and scapulars are a warm rufous-brown. The rump, breast and belly are pink-red. The flight feathers are black and the greater coverts are bright blue. The tail is dark purplish blue, the bill is red and the legs and feet are pink or orange.