Blue Whale - This species of whale is the largest animal on Earth, with adult males measuring up to 30 meters (98 feet) in length and weighing as much as 200 tons.
African Elephant - This species of elephant is the largest land animal on Earth, with males weighing up to 6,000 kg (13,000 lb) and standing up to 4 meters (13 feet) tall at the shoulder.
Giraffe - This species of giraffe is the tallest animal on Earth, with males reaching heights of up to 5.5 meters (18 feet).
Saltwater Crocodile - This species of crocodile is the largest reptile on Earth, with males reaching lengths of up to 7 meters (23 feet) and weighing as much as 1,000 kg (2,200 lb).
Whale Shark - This species of shark is the largest fish in the world, with adults measuring up to 12.65 meters (41.5 feet) in length.
Polar Bear - This species of bear is the largest land carnivore on Earth, with males weighing up to 800 kg (1,800 lb).
Anaconda - This species of snake is the largest in the world by weight, with some individuals weighing as much as 250 kg (550 lb) and measuring up to 8 meters (26 feet) in length.
Ostrich - This species of bird is the largest in the world by height and weight, with males standing up to 2.8 meters (9 feet) tall and weighing up to 156 kg (344 lb).
Colossal Squid - This species of squid is the largest invertebrate in the world, with some individuals measuring up to 14 meters (46 feet) in length and weighing as much as 750 kg (1,650 lb).
Komodo Dragon - This species of lizard is the largest living reptile, with males weighing up to 90 kg (200 lb) and measuring up to 3 meters (10 feet) in length.