Largest Animal In The World Still Alive [with pict]

Do you know what the largest animal in the world who are still alive so that it can be seen directly and studied for materials research and knowledge?No other isBlue Whale (Blue Whale)Blue whales are not fish but mammals are warm-blooded, breathe with lungs, give birth and breast-feeding her child. These marine mammals have the measure of weight and volume of extraordinary.Spoiler for