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
Fauna of the Australian Capital Territory red belly. Three other species of snake are occasionly found in the ACT: the Australian copperhead, tiger snake and death adder. Lizards in the ACT include the bearded dragon, mountain dragon, and the blue-tongue. The water dragon can grow up to a metre in length. The eastern stone gecko is found under rocks in the highlands. Goannas are rare, as are the striped legless lizard in tussocky grassland, the pink-tailed worm-lizard, and the grassland earless dragon. At least 290 species of birds have been recorded by the Canberra Ornithologists Group. The gang-gang cockatoo is the bird emblem of the ACT.