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.

What is the blue whale? Blue whales are the largest animals ever known to have lived on Earth. These magnificent marine mammals rule the oceans at up to 100 feet long and upwards of 200 tons...

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 is the largest animal on the planet, weighing as much as 200 tons (approximately 33 elephants). The blue whale has a heart the size of a Volkswagen Beetle. Its stomach can hold one ton of krill and it needs to eat about four tons of krill each day.

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.

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).

Blue whales tend to be more solitary than other whale species. They can, however, sometimes been see them together in small groups of two to four individuals. Blue whales cruise the ocean at about 20 miles per hour. Their vocalizations can be heard from 1,000 miles away.

The blue whale (Balaenoptera musculus) is a marine mammal of the suborder of baleen whales (called Mysticeti). They grow to be about 30 m (98 ft) long. The biggest blue whale found was 190 t (210 tons) and measured 98 ft (30 m) long. [3] [4] Larger specimens have been measured at 110 ft (34 m), but never been weighed.

Blue whales only face one threat: humans. Learn more about their habitat, diet, behaviour, and what we can do to save these majestic marine animals.