The largest living animal on the earth is

The Antarctic Blue whale is the largest living animal on the planet.
It weighs up to 4,00,000 pounds and is about 98 feet in length. Its long and slender body can be of various shades of greyish-blue dorsally.
The International Union for conservation of nature has listed blue whales as endangered species as they face numerous man-made threats such as ship strikes, pollution, ocean noise and climate change.