Feather by exposure to emulsifying agents due to human pollution. Feathers can then become waterlogged, causing the bird to sink. It is also very difficult to clean and rescue birds whose feathers have been fouled by oil spills. The feathers of cormorants soak up water and help to reduce buoyancy, thereby allowing the birds to swim submerged. Bristles are stiff, tapering feathers with a large rachis but few barbs. Rictal bristles are found around the eyes and bill. They may serve a similar purpose to eyelashes and vibrissae in mammals. Although there is as yet no clear evidence, it has been
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