Statut et comportement social du Grand Dauphin Tursiops truncatus Mont. 1821 dans le Bassin d'Arcachon

• Main Authors: FERREY, Marc, COLLET, Anne, GUINET, Christophe
• Other Authors: Centre National d'Étude des Mammifères Marins, Port des Minimes, F- 17000 La Rochelle, FRA, Océanopolis, F-29275 Brest Cedex, FRA
• Format: Article in Journal/Newspaper
• Language: French
• Published: Société nationale de protection de la nature et d'acclimatation de France, Paris (FRA) 1993
• Subjects: Comportement social; Statut social; Structure sociale; Association intraspécifique; Nage; Groupe social; Sédentaire; Océan Atlantique Nord; Océan Atlantique Est; Bassin Arcachon; Social behavior; Social status; Social structure; Intraspecific association; Swimming; Social group; Sedentary; North Atlantic; East Atlantic
• Online Access: http://hdl.handle.net/2042/54729

A sedentary group of six bottlenose dolphins (Tursiops truncatus) has been photoidentified in the Bassin d'Arcachon, S.W. France. The social structure of this group has been determined from statistical analysis of swimming associations, as shown on pictures taken monthly from January 1989 to December 1991. The group includes a mother-infant pair, two females escorting the pair, and a pilot-watcher whose sex remains unknown. The sixth dolphin is a young solitary female which sometimes joins the group, while becoming increasingly familiar towards humans when alone