Besides humans, the blue whale's enemies are killer whales and large sharks. Adult blue whales are much larger than any individual killer whale or shark, so these animals tend to attack calves. Few creatures are capable ... More »

Blue whales weigh approximately 200 tons and can grow to a length of between 82 and 105 feet. They are the largest mammals to have ever lived on earth. More » Pets & Animals Mammals Marine Mammals

Whalers once hunted blue whales for their blubber, which was rendered into whale oil. They also hunted whales for meat. The International Whaling Commission banned commercial hunting of blue whales in 1966. Whaling is no... More »

Blue whale hunting is banned by the International Whaling Commission, and the blue whale is listed as endangered by the IUCN Red List of Endangered Species and the U.S. Endangered Species Act as of 2014. Other conservati... More »

The blue whale is the largest mammal in the world, and its massive tongue can weigh as much as an elephant, or 15,000 pounds, according to National Geographic. The tongue is an important muscle used in the whale's unique... More »

The blue whale is endangered because it was hunted almost to extinction in the late 19th and early 20th century. Though the International Whaling Commission banned the hunting of blue whales in 1966, some countries conti... More » Pets & Animals Mammals Marine Mammals

At 170 to 200 tons, the blue whale is larger than any dinosaur known to have lived. The largest dinosaur lived in the Mesozoic Era and was the Argentinosaurus, which weighed up to 99 tons. More »