Pachycephala rufiventris; Print; The rufous whistler (Pachycephala rufiventris) is a species of whistler found in New Caledonia and Australia. Predominantly a reddish-brown and grey bird; it makes up for its subdued plumage with its song-making ability. Like many other members of the Pachycephalidae; it has a variety of musical calls.; 1700-1880