Along with setting the folder to be used for cleanup, you can: 1  Recreate the folder hierarchy under the Clean up folder. (This makes it easier to find all of the original messages, if needed.) 2  Don't move unread, categorized, flagged, or digitally signed messages.
Yes, whales are mammals, however due to the fact that they live in the ocean these large animals are referred to as marine mammals. In fact the blue whale is the largest living mammal (and animal species) on this earth. In terms of size the blue whale can grow to lengths of over 90 ft. long and weigh more than 150 tons.
of 21. Biggest Whale - The Blue Whale (200 Tons) The Blue Whale, the world's biggest whale. Wikimedia Commons. At about 100 feet long and 200 tons, not only is the Blue Whale the biggest mammal in the world today, but it's the largest vertebrate animal in the history of life on earth: not even the largest dinosaurs approached it in bulk.