Anatomy and Appearance. In terms of length, blue whales have often been compared to three school buses lined up back to back.

The heaviest blue whale ever recorded was a victim of whaling, caught in Antarctic waters in 1947. She weighed a whopping 418,878 pounds, which is about the weight of 2,500 average adult humans.

The heart of a blue whale can weigh up to 1,300 pounds, while its tongue can weigh 5,400 pounds, which is the average weight of an adult female elephant. Blue whales have sleek, ...

The Antarctic blue whale can weigh up to 400,000 pounds and stretches to 98 feet in length. The underwater call of the sperm whale, the earth’s loudest, registers at 230 decibels.

Boaters off the coast of California got the chance to see the biggest animal on Earth and the group is calling it a “once in a lifetime” moment.

A blue whale can grow to more than 100 feet long and weigh over 150 tons. Compare this to the fin whale , the second largest animal ever: typically 80 feet long and 60 tons—less than half the ...

In contrast, blue whales can grow to be 94 feet long and weigh up to 174 tons. An average one will be about 80 feet long and weigh about 120 tons. The whale shark (like all sharks) ...

Adult blue whales weigh up to 150 tons, which makes them the largest animals to ever live," wrote the National Wildlife Federation. "By comparison, elephants — the largest terrestrial animals ...

Blue whales weigh about “300,000 pounds – the approximate weight of plastic that ends up in the ocean every nine minutes,” the Monterey Bay Aquarium in Monterey, Calif., ...

Blue whales, which are the largest animals known to have ever existed, ... Blue whales are up to 98 feet long and have a maximum weight of 173 metric tons, or about 381,400 pounds.

Researchers estimate that blue whales may each consume up to 10 million pieces of microplastic every day during their main feeding season as they chow down on plastic-filled prey.