Macaroni penguin 2009 study found that macaroni penguins from Kerguelen travelled over in the central Indian Ocean. With about 18 million individuals, the macaroni penguin is the most numerous penguin species. Widespread declines in populations have been recorded since the mid-1970s and their conservation status is classified as vulnerable. The macaroni penguin was described from the Falkland Islands in 1837 by German naturalist Johann Friedrich von Brandt. It is one of six or so species in the genus "Eudyptes", collectively known as crested penguins. The genus name is derived from the Ancient Greek words "eu" "good", and "dyptes" "diver". The specific epithet
What Bird is That? Edition What Bird is That?" was published by Australia's Heritage Publishing in 2011, the latest release of Cayley’s “big bird book” complete with Lindsey’s revisions. It is 832 pages, features 769 birds and includes all 460 of Cayley’s full-colour paintings, many showing groups of related birds. New to this edition was an accompanying e-book "What Bird Call is That?", which identifies and illustrates 101 birds from "What Bird is That?", as well as providing sound files of each featured bird’s distinctive call. The sound files were provided by David Stewart. "What Bird is That?" plays a central role in Australian