The only cetacean known to go extinct due to human activity is the Baiji, Lipotes vexillifer. In 2006, after an intense, 6-week search in all of the Baiji’s historic range, it was considered extinct. Don’t let the Vaquita be the second. Learn more about the Baiji by clicking on the links below.

http://en.wikipedia.org/wiki/Baiji

http://www.nmfs.noaa.gov/pr/species/mammals/cetaceans/chineseriverdolphin.htm