Clockwise from top left: an African bush elephant, the largest extant terrestrial animal; a blue whale, the largest animal ever to exist; and a colossal squid, the largest invertebrate

The largest animal on Earth is the blue whale, weighing approximately 150 tons and stretching over 30 meters (98 feet) in length.

In this guide, we dive deep into the top 12 world biggest animal on Earth, uncovering fascinating facts, evolutionary insights, and the ecological importance of these giants.

Aug 9, 2025 · The blue whale, scientifically known as Balaenoptera musculus, is the largest animal on Earth by both length and weight. These marine mammals can reach an …

Jul 23, 2023 · The largest animal in the world is the blue whale. These ocean mammals can weigh up to 190,000kg, reach lengths of 30 metres (98 feet), and have a height of just under …

Discover the biggest animals in the world (biggest mammals, birds, reptiles, and more). Learn why animals were bigger in the past, the biggest animal to ever live, and more.

Jan 31, 2025 · Blue whales are far bigger than the largest living land animal on the planet today. The biggest animal in the world is the adult blue whale. They’re also the largest mammal in the …

Jun 19, 2025 · The Blue Whale (Balaenoptera musculus) holds the record as the largest animal to have ever lived, far surpassing even the mightiest dinosaurs. These marine giants can grow …

Oct 1, 2025 · The blue whale is the world’s largest animal ever, with some of them weighing in at a massive 200 tonnes (440,000 lb), although 100–150 tonnes (200,000–300,000 lb) is the …

Among animals, all of the largest species are marine mammals, specifically whales. The blue whale is believed to be the largest animal to have ever lived. [7] The living land animal …