Sinikookaburra

Blue-winged Kookaburras (Dacelo leachii) are found in northern Australia and southern New Guinea. They occur in savanna woodland and Eucalyptus open woodland and forest, in tall trees and woodland along watercourses, and in riverine and littoral mangrove and monsoon forest. They avoid areas with a dense understorey. They may also be found in pastures and cultivated land with stands of trees, in plantations far from water, and in large suburban parks and gardens. Although they are found mainly in the lowlands in New Guinea, they can be found locally to 600 m. Where its range overlaps with that of the Laughing Kookaburra (D. novaeguineae), the Blue-winged Kookaburra is usually more common away from water. The diet includes a wide variety of arthropods, snails, earthworms, and small vertebrates. Blue-winged Kookaburras hunt from a perch, typically 2 to 4 m above the ground. They may breed as a pair or in a group of up to 12 individals, but most commonly in a group of 3. The extra "helper(s)" are young from the previous several years. Nests are in tree cavities or in termite nests on the ground or in trees. Blue-winged Kookaburras are fairly common over most of their range.

(Woodall 2001 and references therein)