Papuan harrier
There are several unconfirmed reports from Australia but the bird can easily be confused with the swamp harrier.It hunts low over open ground searching for small mammals, birds and lizards.The adult male is usually silvery-grey with black head, throat, back and wing-markings and white underparts.Adult females are brown with a pale rump, barred tail and streaked underparts.The length of the bird varies from 47 to 54 cm; females are larger than the males.