Answer: kookaburras

AnswerCrossword Clue
KOOKABURRASLaughing jackasses
KOOKABURRASAustralians with cackling cries
kookaburrasA very large Australasian kingfisher that feeds on terrestrial prey such as reptiles and birds
kookaburrasKOOKABURRA, (Native Australian) a large Australian kingfisher, with a call sounds like a raucous laugh also GOBURRA