Fauna of Australia group of endemic parrots, order Psittaciformes. Australian parrots comprise a sixth of the world's parrots, including many cockatoos and galahs. The kookaburra is the largest species of the kingfisher family, known for its call, which sounds uncannily like loud, echoing human laughter. The passerines of Australia, also known as songbirds or perching birds, include wrens, robins, the magpie group, thornbills, pardalotes, the huge honeyeater family, treecreepers, lyrebirds, birds of paradise and bowerbirds. The satin bowerbird has attracted the interest of evolutionary psychologists; it has a complex courtship ritual in which the male creates a bower filled with blue, shiny items
Laughing kookaburra the early years of the 20th century "kookaburra" was included as an alternative name in ornithological publications but it was not until 1926 in the second edition of the "Official Checklist of Birds of Australia" that the Royal Australasian Ornithologists Union officially adopted the name "laughing kookaburra". The name comes from Wiradhuri, an Aboriginal language now effectively extinct. The genus "Dacelo" contains four kookaburra species of which the rufous-bellied kookaburra and the spangled kookaburra are restricted to New Guinea and islands in the Torres Straits. The blue-winged kookaburra and the laughing kookaburra are both widespread in Australia. Two subspecies are