Identification
Woodland bird of eastern and northern Australia and New Guinea. Strong sexual dimorphism in plumage. Male dark slaty-gray, with black around bill, and black on wings. Female brown, with dark line through eye, extensive fine barring on chest and belly, and fairly plain brown wings (much browner and lacking the white wingbars of Varied Triller). Shows geographical variation, especially in female plumage. Found in the canopy of a wide variety of forest, woodland, scrub, and savanna habitats. Calls include a long (10-second) sequence of insect-like repeated buzzes (hence its name), also a slower version, and a robin-like sequence of clear whistled notes.