Casuariiformes Casuariiformes The Casuariiformes is an order of large flightless bird that has four surviving members: the three species of cassowary, and the only remaining species of emu. They are divided into either a single family, Casuariidae, or more typically two, with the emu splitting off into its own family, Dromaiidae. All four living members are native to Australia-New Guinea, but some possible extinct taxa occurred in other landmasses. The emus form a distinct family, characterized by legs adapted for running. As with all ratites, there are several contested theories concerning their evolution and relationships. As regards this order, it is
The Birds of Australia (Gould) The Birds of Australia (Gould) The Birds of Australia was a book written by John Gould and published in seven volumes between 1840 and 1848. It was the first comprehensive survey of the birds of Australia and included descriptions of 681 species, 328 of which were new to science and were first described by Gould. Gould and his wife Elizabeth travelled to Australia from England in 1838 to prepare the book. They spent a little under two years collecting specimens for the book. John travelled widely and made extensive collections of Australian birds and other fauna. Elizabeth, who had illustrated