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| Right Whales http://video.nationalgeographic.com/video/ocean-soul-right-whale?source=relatedvideo |
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| The largest and heaviest on earth : the Blue Whale www.youtube.com/watch?v=T2Xsfb4cT9Y !! up to 30 metres in length and 200 tonnes in weight, long and slender, the whale's body can be various shades of bluish-grey and somewhat lighter underneath |
