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
Kookaburra Kahuna complaints that the bat provided unfair advantage to the batsman. In 2006, MCC went on to ban graphite-coated bats (including Kookaburra's Kahuna, Genesis Hurricane and the Beast) in International cricket. Kookaburra Kahuna The Kahuna is a range of bats made by Kookaburra Sport and is the company's sole premier bat line. The Kahuna Icon faced controversy in early 2006 when there was a dispute over whether the graphite backing of the bat would increase its performance to an unfair level, as compared to even other bats such as the Kookaburra Beast, to which it is often compared. This led to