Queltehue or Treile (Ch.). Length: 36 cm. Habitat: meadows. Bill ring-spurs and legs redish. Forehead, throat and fore-neck black, all with a white margin. Breast black. Rest of the head and neck and back grey. Long, slender crest black. Underparts white. Wings: flight feathers black. Upper coverts bronze-green. , greater coverts white, under-wing coverts white. Tail white with broad subterminal black band. Voice: calls loudly tay tay tay-oh tay-row as it dives on intruders. Southern form calls rare rare ray-oh ray-oh.