Given the difficulties and costs often associated with surveying cetaceans, enlisting members of the public to collect data offers a

Shelf break systems are ecologically important regions of the ocean, and are often characterized by enhanced productivity and high densities

The migratory destinations of humpback whales that winter off the Pacific coast of Mexico were examined using photo-identification. Fluke photographs

The Northwest Region (NWR) Marine Mammal Stranding Network was created in the early 1980s to provide a consistent framework in which

As part of the Bering Sea Project, cetacean surveys were conducted to describe distribution and estimate abundance on the eastern

Trends in cetacean density and distribution off southern California were assessed through visual line-transect surveys during thirty-seven California Cooperative Oceanic