Blue-winged kookaburra highly aggressive in the first week of life, and the youngest chick is often killed by the older chicks during this period. Once fledged, juvenile birds need to be taught how to hunt by their parents for a further 6–10 weeks before they can properly fend for themselves. The red goshawk and rufous owl prey upon the blue-winged kookaburra. Adult birds are also slow flyers and vulnerable to being hit by cars on country roads. Nests are susceptible to raids by Olive Pythons, quolls and goannas. Blue-winged kookaburra The blue-winged kookaburra ("Dacelo leachii") is a large species of kingfisher native
Atlas of Australian Birds Atlas of Australian Birds The Atlas of Australian Birds is a major ongoing database project initiated and managed by BirdLife Australia (formerly the Royal Australasian Ornithologists Union) to map the distribution of Australia's bird species. BirdLife Australia is a not-for-profit bird research and conservation organisation. There have been other bird atlasses produced for various countries and islands around the world, but the Australian project was the first to cover an entire continent. Volunteers collected data on Australian birds in order to establish a database and publish a book, "The Atlas of Australian Birds" (1984), summarising the findings. A second period