Kookaburra larger group known as "kingfishers", kookaburras are not closely associated with water. The genus "Dacelo" was introduced by the English zoologist William Elford Leach in 1815. The type species is the laughing kookaburra. The name "Dacelo" is an anagram of "Alcedo", the Latin word for a kingfisher. A molecular study published in 2017 found that the genus "Dacelo", as currently defined, is paraphyletic. The shovel-billed kookaburra in the monotypic genus "Clytoceyx" sits within "Dacelo". Four species of kookaburra can be found in Australia, New Guinea, and the Aru Islands. Kookaburras are sexually dimorphic. This is noticeable in the blue-winged and
HMAS Kookaburra boom defense and examination vessel in Darwin, and remained there until the end of World War II, with the exception of a refit in Brisbane between September 1942 and February 1943. "Kookaburra" received the battle honour "Darwin 1942-43" for her wartime service. On 15 January 1946, "Kookaburra" was paid off into reserve, was briefly recommissioned for a voyage to Sydney in 1950, and underwent conversion to a "Special Duties Vessel". "Kookaburra" was recommissioned again on 11 May 1956 as a survey and general duties ship. In July 1952, the ship visited Brisbane. During this visit, a paperboy delivering to the