In The Principles of Newspeak, the appendix to the 1949 novel, Orwell explains that Newspeak usage follows most of the English grammar, yet is a language characterised by a continually diminishing vocabulary; complete thoughts reduced to simple terms of simplistic meaning.
Animals with an internal skeleton made of bone are called vertebrates. Vertebrates include fish, amphibians, reptiles, birds, mammals, primates, rodents and marsupials.
Five percent of animals have a backbone and are grouped in a category called vertebrates. They are in kingdom Anamalia, phylum Chordata, and subphylum Vertebrata. There are five classes of vertebrates: fish, amphibians, reptiles, birds, and mammals.