William T. Cooper (Australian, born 1934), white-crested Honeyeater; white Browed wood Swallow; Laughing kookaburra; paradiserifle bird; spotted Quail Thrush, turquoise parrot; a group of six, all, signed 'W T Cooper' (two lower left, two lower right, one lower centre) and variously dated, gouache, the largest 38 x 29 cm