Keel (bird anatomy) 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 bird's wing muscles attach, thereby providing adequate leverage for flight. Keels do not exist on all birds; in particular, some flightless birds lack a keel structure. Historically, the presence or absence of a pronounced keel structure was used as a broad classification of birds into two orders: Carinatae (from "carina", "keel"), having a pronounced
The Name of This Band Is Talking Heads vinyl edition – this track has been included on the subsequent CD release. The title of the album is a reference both to the group's preference for having no expressed definite article within the band name (as opposed to "The Talking Heads") and to David Byrne's minimalist introductions to songs. The album opens with one such introduction: "The name of this song is "New Feeling". That's what it's about." An expanded version of the record, on CD in the United States for the first time, was released in 2004 by Sire/Warner Bros./Rhino. It duplicated the pattern of the original with