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
Egg Collecting and Bird Life of Australia Egg Collecting and Bird Life of Australia Egg collecting and bird life of Australia is a quarto-sized book authored and published in 1907 by field ornithologist and oologist Sidney William Jackson. The full title text reads: "Egg collecting and bird life of Australia. Catalogue and data of the "Jacksonian oological collection", illustrated with numerous photographs depicting various incidents and items in connection with this interesting study, which has been the life work of the Author." The book is essentially a 171-page catalogue of the collection of nearly 2000 eggs, representing over 500 species of Australian birds, accumulated by Jackson from