biggest animals to ever exist
biggest animals to ever exist The biggest animals to ever exist on Earth include: Blue Whale: The blue whale is the largest animal ever known to have existed. These marine mammals can grow up to 100 feet (30 meters) long and weigh over 200,000 pounds (90,000 kilograms). Argentinosaurus: The Argentinosaurus is one of the largest land animals ever discovered. This dinosaur lived around 90 million years ago and could grow up to 100 feet (30 meters) long and weigh up to 110 tons (100,000 kilograms). Spinosaurus: The Spinosaurus is the largest predatory dinosaur known to have existed. It lived around 100 million years ago and could grow up to 50 feet (15 meters) long and weigh up to 23 tons (20,900 kilograms). Paraceratherium: Paraceratherium, also known as Indricotherium, is the largest land mammal to ever exist. This prehistoric rhinoceros-like animal lived around 30 million years ago and could grow up to 26 feet (8 meters) tall and weigh up to 20 tons (18,100 kilograms). Pterodaustro: