(...) For five years we have systematically gathered information of every available kind related to these animals. Fifteen species have been observed in sufficient detail to be considered here. These…
(...) This reports observations of odontocetes made during the summer of 1963 in central Californian waters. I made my observations aboard catcher boats of the Golden Gate Fishing Company, Point…
Abstract currently unavailable
(...) Flower (1883), in his search for the trenchant characters he needed to reach a decision about the arrangement of the Delphinidae, saw that the configuration of the pterygoid bones…
Abstract currently unavailable
Abstract currently unavailable
(...) Some of the observations mentioned in this paper have been made at sea, on board the oceanographic vessel Calypso, put at our disposal by a special committee of the…
Electrocardiographical examinations have been performed on 4 harbour porpoises, Phocaena phocaena (L.) kept in captivity for studies on their hearing capability. Parameters of the ECG are presented and studies are…
Among captive harbour porpoises, Phocaena phocaena (L.) epimeletic behaviour has been observed. Nurturant behaviour was performed by a juvenile female and a juvenile male toward sucklings and evidence is given…
An audiogram has been obtained from the harbour porpoise, Ph.phocoena, in water from 1 to 150 kHz by using the operant conditioning technique. The highest sensitivity was measured between 8…