Title: Biology of the genus Cephalorhynchus /
Authors: Brownell, Robert L.; Donovan, Gregory P.; International Whaling Commission.
Publisher: International Whaling Commission,
Year: 1988
Subjects: Dolphins.
Abstract: Cephalorhynchus is one of the most widespread coastal delphinid genera in the Southern Hemisphere. The four species currently recognised and discussed in this volume are: Commerson's dolphin, the Chilean dolphin, Hector's dolphin and Heaviside's dolphin.
Contents: 1) Studies of Commerson's dolphins off Tierra del Fuego, 1976-1984, with a review of information on the species in the South Atlantic; 2) Observations of Commerson's dolphin and other cetaceans in southern Chile, January-February 1984; 3) Records of Commerson's dolphin in South American waters and around South Georgia; 4) Estimate of numbers of Commerson's dolphins in a portion of the northeastern Strait of Magellan, January-February 1984; 5) Age and body-length characteristics of Cephalorhynchus commersonii from incidentally-caught specimens off Tierra del Fuego; 6) Data on the genital tract and reproduction in Commerson's dolphin from the Kerguelen Islands; 7) Food habits of Cephalorhynchus commersonii off Tierra de Fuego; 8) Flipper separation in Cephalorhynchus commersonii; 9) High frequency pulses produced by free-ranging Commerson's dolphin compared to those of phocoenids; 10) Commerson's dolphins live-captured from the Strait of Magellan; 11) On the Chilean dolphin, Cephalorhynchus eutropia; 12) On Phocaena obtusaata, with a comparison of certain diagnostic characters in South American phocoenids and the genus Cephalorhynchus; 13) The external appearance of Heaviside's dolphin; 14) Recent observations of Hector's dolphin in New Zealand; 15) Hector's dolphin: distribution and abundance; 16) Studies on Hector's dolphin: progress report; 17) The high frequency sounds of free-ranging Hector's dolphins.