Specimens of Archaeopteryx The end of the feather has an obtuse angle of 110°, while the barbs branch off from the rachis at an angle of around 25°. The barbs branch noticeably into barbules, as in the feathers of modern birds. The base of the feather consists of plumulaceous barbs which are unconnected to one another and result in a down-like appearance. This tuft of down led Griffiths to conclude that "Archaeopteryx" might have been endothermic in that it implies the use of thermal insulation. The feather is clearly asymmetrical, which has been interpreted by many scientists to be a clear indication of
Leonard Cohen: Bird on a Wire Leonard Cohen: Bird on a Wire Leonard Cohen: Bird on a Wire, originally titled Bird on a Wire, is a 1974 documentary that chronicles a troubled 1972 concert tour of Europe and Israel by the Canadian singer and songwriter Leonard Cohen. It was directed by British filmmaker Tony Palmer, with cinematography by Les Young. The film takes its name from the Cohen song "Bird on the Wire". The film, after extensive re-editing from its initial version, opened in London in 1974. It was shown on German television, but it disappeared for decades and was considered a lost film. Its original