The heaviest animal on planet Earth is the blue whale (Balaenoptera musculus), an awe-inspiring marine mammal that holds the title for being the largest and heaviest animal ever known to have existed. Blue whales can grow to lengths of up to 100 feet (30 meters) and weigh as much as 200 tons or more.
with some exceptional individuals reaching even greater weights. To put this into perspective, the blue whale’s heart alone can weigh as much as an automobile, and its tongue can be as heavy as an elephant.
Blue whales are found in oceans around the world, though they tend to..…READ ORIGINAL & FULL CONTENT HERE