Keel (bird anatomy) keel; and ratites (from "ratis", "raft" — referring to the flatness of the sternum), having a subtle keel structure or lacking one entirely. However, this classification has fallen into disuse as evolutionary studies have shown that many flightless birds have evolved from flighted birds. The current definition of Carinatae now includes all extant birds. Keel (bird anatomy) A keel or carina (plural carinae) in bird anatomy is an extension of the sternum (breastbone) which runs axially along the midline of the sternum and extends outward, perpendicular to the plane of the ribs. The keel provides an anchor to which a
Anatomy of a Murder him in the film/ His character was Pie-Eye". Wins Nominations Academy Awards: British Academy Film Awards: Directors Guild of America Awards: Golden Globe Awards: "Anatomy of a Murder" was one of 25 films added to the National Film Registry in 2012. "The annual selections by the Library of Congress span more than a century of American filmmaking." Anatomy of a Murder Anatomy of a Murder is a 1959 American courtroom drama crime film produced and directed by Otto Preminger. The screenplay by Wendell Mayes was based on the novel of the same name written by Michigan Supreme Court Justice John