Chestnut-backed Jewel-babbler Ptilorrhoa castanonota

A medium-sized, long-tailed, ground-dwelling bird of foothill and lower montane forest. Deep blue belly, and wing, and bright white throat bordered with a black stripe. Rump is blue in males and chestnut in females. All males and some races of females have blue stripe above the eye, where other females have a pale stripe. Similar to Blue and Dimorphic Jewel-babblers, but Chestnut-backed has a chestnut back and crown, and is normally found above the level of Blue. Voice, a long, medium-pitch, monotonous whistle or an explosive “chew! chew!”.