ratite Ornithology — [ ratʌɪt] adjective denoting a bird having a flat breastbone without a keel and so unable to fly, such as an ostrich, emu, etc. Contrasted with carinate. noun a ratite bird. Origin C19: from L. ratis raft + ite1 … English new terms dictionary
Bird ichnology — is the study of avian life traces in ornithology and paleontology. Such life traces can include footprints, nests, feces and coproliths. Scientists gain insight about the behavior and diversity of birds by studying such evidence.Ichnofossils (or… … Wikipedia
ratite — [rat′īt] adj. [< L ratitus, marked with the figure of a raft < ratis, raft, prob. < IE base * rēt , *rōt , beam > ROOD] designating a former group (Ratitae) of large, flightless birds of various orders having a flat breastbone without … English World dictionary
Ratite — Taxobox name = Ratites image width = 258px image caption = Various ratite birds regnum = Animalia phylum = Chordata classis = Aves superordo = Paleognathae ordo = Struthioniformes ordo authority = Latham, 1790 subdivision ranks = Families… … Wikipedia
bird — birdless, adj. /berrd/, n. 1. any warm blooded vertebrate of the class Aves, having a body covered with feathers, forelimbs modified into wings, scaly legs, a beak, and no teeth, and bearing young in a hard shelled egg. 2. a fowl or game bird. 3 … Universalium
Bird — /berrd/, n. Larry, born 1956, U.S. basketball player. * * * I Any of the warm blooded, beaked vertebrates of the class Aves, including more than 9,600 living species. A covering of feathers distinguishes birds from all other animals. Birds have a … Universalium
ratite — /rat uyt/, adj. 1. having a flat, unkeeled sternum, as an ostrich, cassowary, emu, or moa. n. 2. a bird having a ratite breastbone. [1875 80; < L rat(is) raft + ITE2] * * * Any bird species that cannot fly because its smooth, or raftlike, sternum … Universalium
bird — Synonyms and related words: Bronx cheer, Jane, atomic warhead, avifauna, baby bird, bastard, biddy, bird of Jove, bird of Juno, bird of Minerva, bird of night, bird of passage, bird of prey, birdie, birdlife, birdy, bitch, boo, broad, bugger,… … Moby Thesaurus
Bird evolution — The evolution of birds is thought to have begun in the Jurassic Period, with the earliest birds derived from theropod dinosaurs. Birds are categorized as a biological class, Aves. The earliest known species of class Aves is Archaeopteryx… … Wikipedia
bird — I (Roget s IV) n. 1. [Any warm blooded vertebrate with feathers and wings] Syn. fowl, feathered creature, Avis (Latin), songbird, passerine bird, oscine bird, bird of prey, raptor, shorebird, seabird, wader, wading bird, waterfowl, ratite,… … English dictionary for students