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
Fauna of the United States state. Alaska has also over 430 species of birds and the largest population of bald eagles in the nation. From pygmy shrews that weigh less than a penny to gray whales that weigh 45 tons, Alaska is the "Last Frontier" for animals as well as people. Many species endangered elsewhere are still abundant in Alaska. The Aleutian Islands are home to an abundance of large bird colonies; more than 240 bird species inhabit in Alaska's Aleutian Archipelago. Large seabird colonies are present on islands like Buldir Island, which has 21 breeding seabird species, including the Bering Sea-endemic red-legged kittiwake. Large