Monachella muelleriana Schlegel, 1871

Nominate race has crown brownish- black, back pale grey, rump white; large white spot between base of upper mandible and eye; upperwing and tail brownish- black; neck side, throat and underparts white; iris dark brown; bill black; legs blackish- brown. Sexes similar. Juvenile lacks white facial spot, has feathers tipped with contrasting colour. Race coultasi is darker than nominate, with back and rump grey, paler light grey underparts, and lacks the white collar.