Whales, dolphins, and porpoises of the eastern North Pacific and adjacent Arctic waters: A guide to their identification

Leatherwood, S.; Reeves, R. R.; Perrin, W. F.; Evans, W. E.
NOAA Technical Report NMFS Circular 444 (1982)

This field guide is designed to permit observers to identify the cetaceans (whales, dolphins, and porpoises) they see in the waters of the eastern North Pacific, including the Gulf of…


Passive acoustic monitoring of the decline of Mexico’s critically endangered vaquita

Jaramillo-Legorreta, Armando; Cardenas-Hinojosa, Gustavo; Nieto-Garcia, Edwyna; Rojas-Bracho, Lorenzo; Ver Hoef, Jay; Moore, Jeffrey; Tregenza, Nicholas; Barlow, Jay; Gerrodette, Tim; Thomas, Len; Taylor, Barbara
Conservation Biology (2016)

The vaquita (Phocoena sinus) is the world's most endangered marine mammal with ≈245 individuals remaining in 2008. This species of porpoise is endemic to the northern Gulf of California, Mexico,…