Pennaceous feather Pennaceous feather The pennaceous feather is a type of feather present in most modern birds and in some other species of maniraptoriform dinosaurs. A pennaceous feather has a stalk or quill. Its basal part, called a "calamus", is embedded in the skin. The calamus is hollow and has pith formed from the dry remains of the feather pulp, and the calamus opens below by an "inferior umbilicus" and above by a "superior umbilicus". The stalk above the calamus is a solid "rachis" having an umbilical groove on its underside. Pennaceous feathers have a rachis with "vanes" or "vaxillum " spreading
Bird on a Wire (film) at the box office with $15.3 million and went on to gross over $138.6 million worldwide. Bird on a Wire (film) Bird on a Wire is a 1990 American action comedy film starring Mel Gibson and Goldie Hawn, directed by John Badham, and shot mainly in British Columbia, Canada. The title refers to the Leonard Cohen song "Bird on the Wire". The alley motorcycle chase scene was filmed in Victoria's Chinatown, in Fan Tan Alley. Marianne Graves (Goldie Hawn) is a successful lawyer completing a business deal in Detroit, Michigan. At a gas station, she crosses paths with a man