The Blue-winged Kookaburra, Dacelo leachii, is a large species of kingfisher native to northern Australia and southern New Guinea.The Blue-winged Kookaburra was first collected by Sir Joseph Banks in 1770, but was initially overlooked and confused with the Laughing Kookaburra, and was finally officially described by Nicholas Aylward Vigors and Thomas Horsfield in 1826, its specific name commemorating the British zoologist William Elford Leach.It is one of four members of the genus Dacelo which are commonly known as kookaburras. Common names include Barking or Howling Jackass, or Leach's Kookaburra