David Attenborough looks at marine mammals that have returned to the sea during the evolutionary process – from sea otters to manatees. He also ‘meets’ the world’s largest mammal, the blue whale, and a pod of dolphins – creatures that mate and give birth in the water. Watch the entire series in the popup player
This entry was posted by Walrus on May 12, 2012 at 8:36 am, and is filed under Documentary, Nature, Video. Follow any responses to this post through RSS 2.0.You can skip to the end and leave a response. Pinging is currently not allowed.