A Blue Whale’s Heart Beat Taken for the First Time Ever Stuns Scientists, It Can Survive on Just Two Beats per Minute Seven ...
Blue whales are the largest animals alive on Earth. The magnificent marine mammals are capable of reaching lengths of 110 feet and can weigh over 200 tons. According to National Geographic ...
Its circumference spans an impressive 183 metres, making it larger than the world’s biggest animal, the blue whale. This rare discovery, led by the National Geographic Pristine Seas team ...