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
What Yo Name Iz? the U.S. Billboard Hot R&B/Hip-Hop Songs on the week of October 23, 2010. It spent 27 weeks on the chart and peaked at number 41. What Yo Name Iz? "What Yo Name Iz?" is the debut single by American rapper Kirko Bangz. The Sound M.O.B. produced song was featured on his mixtape "Procrastination Kills 3" (2011). It's also Kirko Bangz's first song to chart on the US "Billboard" charts. The official remix to "What Yo Name Iz?" features Wale, Big Sean, and Bun B. The remix was released on , before the original version. Maxrank also made a remix for