questionedithistorytranslationsCurrent version This is the accepted version. added by Debbie Fox Oct. 1, 2012, 10:54 p.m. Which mammal has the fattest milk? sealsheepelephantratSea mammals are warm-blooded, but live in cold waters - so they really need the isolating layer of fat. Dolphin milk contains 35% of fat, seal and whale - up to 50%. It is twelve times more than in human or cow milk.Debbie FoxShare and bring new players to the game!0Very uninterestingToo difficultPoorly writtenIncorrect or questionableCorrect this question5Very interesting!reach: rather globalanimalsmammalsmilknaturezoologyVotes +5 Very interesting! globalquiz.org