The black-eared cuckoo (Chrysococcyx osculans) is a species of cuckoo in the family Cuculidae. Found across Australia, it migrates to eastern Indonesia and southern New Guinea. They are usually observed by themselves or in a pair as they don't raise their own young, rather they leave eggs in another species nest to be raised by host. Description Adult weight on average 30 grams and are 19 to 20 cm long, with dull greyish-brown back with distinctive black eye-stripe from the bill to the neck. Rump is pale white and breasts area is pale salmon in colour. Feet and legs are black, eyes are brown, bill is black tail is grey/brown on top, with white tips, while underneath the tail is cream with brownish bars. What distinguishes it from other small sized cuckoo species in Australia is that it doesn't have a metallic coloured feathers on its back. Juveniles are duller in colour with a more brown eye-stripe. Range Common in most areas of Australia except wet coastal forested areas, basically inland side of great dividing range in Victoria, New South Wales and Queensland. Vagrants found in Tasmania. Breeds in southern Australia below 23rd parallel south some birds will stay in southern Australia during winter, while many will migrate to Northern Australia and further north into Indonesia and PNG, Habitat Dry open forests, scrublands, mallee, mulga, lignum, saltbush and riverside thickets. They prefers to fly direct between low trees and shrubs, rather than large trees, and are rare in subhumid areas. Voice Chicks will give a chirp, while in adults a descending feeeuw or pee-o-weer call in a lower mournful tone than the Horsfield's Bronze-Cuckoo, which maybe a singular or repeated. During courtship a call of pee-o-wit may be also heard. Males are often are observed calling from high branches but can still be found on lower branches Diet They feed on beetles, diptera, hemiptera, insects, sandflies and have been observed eating hairy caterpillars. Majority of food is obtained on the ground but they have been observed foraging in trees and shrubs. Breeding Behaviour Season Breeding season varies depending on rain and location in Australia, generally the drier inland starts earlier in the year. In the west breeding starts earlier in the year around June, while in the east it can be later in August, with season finishing in October in the west and December in the east. During courtship, females