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
Australian Silver Kookaburra capsules. One-ounce coins ship in shrink wrap rolls of 20, with 5 rolls in each box of 100. Special editions such as proof, high relief, privy marked, colored, and gilded are often available. They are minted in the following four sizes: To commemorate the 25th anniversary of the kookaburra coin, the 2015 coin features the same image of the kookaburra as the original 1990 coin. To differentiate the 1990 and 2015 coins the date on the reverse reads 1990-2015 and 2015 has been added to the obverse. The 2015 coin had a release date of September 1, 2014. The maximum