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.
The Life of Mammals. The anatomy of the largest mammal ever to have existed. Everyone has heard of the blue whale, yet they are rarely seen and not often filmed. Sir David's delight at the privileged close up view of one of these ocean giants as it breached right beside him is evident. Although difficult to comprehend, at 30 metres in length and 180 metric tons or more in weight, the blue whale is the largest animal ever known to have existed.