. Cetaceans of the Channel Islands National Marine Sanctuary. Cetacea; Mammals. Cuvier's Beaked Whale Ziphius cavirostns G. Cuvier, 1825 Cuvier's beaked whale, che most nearly cosmopolitan of the beaked whales, is widely but sparsely distributed throuiihout the tropical and temperate oceans ot the world. It is the most widely distributed and frequently sighted beaked whale in the northeastern Pacific, although knowledge of its distribution in this area, as elsewhere, is based primarily on stranding records, more than 40 of which exist for the west coast ot North America. In the northeastern Pa
. Cetaceans of the Channel Islands National Marine Sanctuary. Cetacea; Mammals. Cuvier's Beaked Whale Ziphius cavirostns G. Cuvier, 1825 Cuvier's beaked whale, che most nearly cosmopolitan of the beaked whales, is widely but sparsely distributed throuiihout the tropical and temperate oceans ot the world. It is the most widely distributed and frequently sighted beaked whale in the northeastern Pacific, although knowledge of its distribution in this area, as elsewhere, is based primarily on stranding records, more than 40 of which exist for the west coast ot North America. In the northeastern Pacific in general there are records from the western Aleutians (winter and summerj and southern Bering Sea (mostly spring and summer) south to the equator (year-round). In Southern California stranded whales have been re- ported from Santa Catalma, San Nicolas and San Clemente islands, and from mainland sites in Pacific Beach, La Jolla, Del Mar, Newport Beach and Malibu. Such stranding records show no clear seasonal or geographic patterns. Neither do the thirty or so sighting records from Southern and Central California, except that most are from pelagic waters and that sightings are rare in continental shelf regions, even where survey effort has been extensive. We have seen Cuvier's beaked whales on both coasts of San Clemente Island, west ot San Nicolas Island and in the San Nicolas Basin in April, June and September, respectively, and others have reported seeing them from near Catalma Island and near Tanner and Cortez Banks. It is our impression from all information available to date that Cuvier's beaked whales are most likely to be encountered near the western boundaries of the SCB and that they are not likely to be found routinely in any except deep water portions of the CINMS. Figure jo. A Cuvier's beaked whale breaching olt the northwestern )a coast in April 197). (Top. photo bv S. Leatherwood.) Though there are onh a handful ot contirrned sightings ol this species in
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Keywords: ., bookcentury1900, bookcoll, booksubjectcetacea, booksubjectmammals
