A medium-sized bird of montane forest and subalpine shrubland. Female is mainly olive with a yellow belly, dark gray head and pale gray, grizzled throat. Male has a black head and chest, white throat, yellow patch on the back of the head and yellow underparts. Male, similar to other male whistlers but has orange wash on the lower chest. Female similar to Lorentz’s Whistler but female Regent has an olive rather than gray chest. Voice, a rising buzz followed by 3 to 4 explosive “whip!” notes.