We report the first records of a humpback whale (Megaptera novaeangliae) observed off both Japan and British Columbia. This whale

Harbor porpoise (Phocoena phocoena), and most other cetaceans, spend a significant proportion of time submerged, and are undetectable from the

Just 30 years ago, the humpback whales off central California, hunted from whaling stations based in San Francisco Bay, were

Nineteen species of cetaceans (families Balaenopteridae, Kogiidae, Physeteridae, Ziphiidae and Delphinidae) occur in the Costa Rican Pacific Exclusive Economic Zone

Within the inland waters of Washington State and southern British Columbia Province, 3 distinct ecotypes of killer whales (Orcinus orca)

Sightings of dwarf (Kogia sima) and pygmy (K. breviceps) sperm whales in Hawaiian waters have only rarely been reported. As

Diving behaviour of air-breathing vertebrates may be influenced by a variety of factors including age, body size, and changes in

Scarring resulting from entanglement in fishing gear can be used to examine cetacean fishery interactions. False killer whales (Pseudorca crassidens)

Fin whales are among the largest predators on earth, yet little is known about their foraging behavior at depth. These

This review considers the effect of anthropogenic sound on beaked whales². Two major conclusions are presented: (1) gas-bubble disease, induced