The blue whale (Balaenoptera musculus) is a marine mammal and a baleen whale. Reaching a maximum confirmed length of 29.9 m (98 ft) and weighing up to 199 t (196 long tons; 219 short tons), it is the largest animal known ever to have existed.

Jan 18, 2025 · Blue whale, a species of baleen whale, a cetacean, that is the most massive animal ever to have lived. Weighing approximately 150 tons, it may attain a length of more than 30 meters (98 feet). Blue whales are predominantly blue-gray animals whose lower surfaces are lighter gray or white.

Blue whales are the largest animals to have ever existed. Learn why they're larger than any land animal and why they were hunted for years.

Jul 15, 2024 · Blue whales are among the planet’s longest-lived animals. Kind of like counting tree rings, scientists count layers of wax in their ears and can determine a ballpark age.

The blue whale has a long mottled gray body, with a broad rostrum and large ridge that extends from the blowhole to the rostrum’s tip. Blue whales are reported to weigh up to 150 metric tons (165 tons) and measure up to 33.5 m (110 feet) depending on their location (larger whales reside in …

Sep 28, 2023 · Blue whales are the largest animals ever to live on our planet. They feed almost exclusively on krill, straining huge volumes of ocean water through their baleen plates (which hang from the roof of the mouth and work like a sieve).

The Blue whale (Balaenoptera musculus) is a marine mammal and a baleen whale. It is the largest animal known to have ever existed. The Blue whale was once abundant in nearly all the Earth's oceans until the end of the 19th century.

Jul 27, 2023 · Blue whales are among the fastest growing animals on earth. Female whales give birth to a single calf every 2-3 years. The heart of a blue whale weighs about 400 pounds (approximately 180 kilograms) – roughly the size of a small piano – and is large enough for a human to crawl through some of its arteries.

The blue whale is the largest mammal in the world. A blue whale calf weighs two tons (1,814 kilograms) at birth and gains an extra 200 pounds (91 kilograms) each day of its first year. Blue...

Blue whales are known for being the largest animal to ever live on the planet. Learn more and how you can protect them.