The largest and most atypical bill is that of the shovel-billed kookaburra, which is used to dig through the forest floor in search of prey.
en.wikipedia.org In a few species cooperative breeding is quite common, for example the laughing kookaburra, where helpers aid the dominant breeding pair in raising the young.
en.wikipedia.org Other common birds include pelicans, terns, honeyeaters, gulls, kingfishers, kookaburra, owls, doves, thornbills, ducks, brolgas, and cockatoos.
en.wikipedia.org Measuring around 40 cm (16 in), it is slightly smaller than the more familiar laughing kookaburra.
en.wikipedia.org