Videos

Blue Whale Calls- http://video.nationalgeographic.com/video/player/animals/mammals-animals/whales/whale_bluecalls.html

Killer Whale Calls- http://video.pbs.org/video/1099394282/

Sperm Whale Diving- http://www.youtube.com/watch?v=iGSljAoM7tU

Lifestyles of Beluga Whales- http://video.nationalgeographic.com/video/player/animals/mammals-animals/whales/whale_beluga.html