A medium-sized, long-tailed bird of primary and secondary forest from the lowlands to the mountains on Luzon and Catanduanes. Dull blue on the head, chest, back, and shoulder, with some paler blue streaking on the chest and crown. Has a buff belly and rufous lower back, rump, outer tail feathers, and wing, with dark central tail feathers and a dark edge to the wing. Tail often cocked and fanned while foraging. Similar to Black-naped Monarch, but has a rufous rump and tail. Voice consists of single sharp “pik!” notes given at intervals or sped up into a rapid series.