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
The Australian Bird Guide Scientific Industrial Research Organisation). The Guide provides detailed maps indicating where a species or sub-species are likely to occur and shading to help identify where the birds are most likely to occur. Several of the reviewers highlighted this feature as a major positive of the guide and the "10,000 Bird" review considered the 2 field guides with this feature the best available. The Foreword to "The Australian Bird Guide" was written by Paul Sullivan, Chief Executive of Birdlife Australia, Australia’s peak ornithological body. This foreword states that the authors and artists of this book are considered leaders in their field