Laughing kookaburra Laughing kookaburra The laughing kookaburra ("Dacelo novaeguineae") is a bird in the kingfisher subfamily Halcyoninae. It is a large robust kingfisher with a whitish head and a dark eye-stripe. The upperparts are mostly dark brown but there is a mottled light-blue patch on the wing coverts. The underparts are white and the tail is barred with rufous and black. The plumage of the male and female birds is similar. The territorial call is a distinctive laugh that is often delivered by several birds at the same time, and is widely used as a stock sound effect in situations that involve
Australian Silver Kookaburra mintage of the one troy ounce coin is capped, while the others have unlimited mintage based on demand. Perth Mint originally intended to expand the 2013 mintage to one million coins, however they later reduced this number to 500,000 and declared that future years would continue to be limited to this amount. In addition to the annual design change, there is also a design change between the bullion and proof versions of the coin each year. No proof coins were minted between 2006-2011; however, there was a 1-ounce silver proof Kookaburra colored coin struck in 2012 for the Discover Australia