The largest animal in the world, the blue whale can grow up to 100 feet long and weigh over 200 tons.
The largest land animal in the world, the African elephant can grow up to 13 feet tall and weigh up to 14,000 pounds.
The largest reptile in the world, the saltwater crocodile can grow up to 23 feet long and weigh up to 2,200 pounds.
The largest invertebrate in the world, the colossal squid can grow up to 46 feet long and weigh up to 1,500 pounds.
The tallest land animal in the world, the giraffe can grow up to 18 feet tall.
The largest bird in the world, the ostrich can grow up to 9 feet tall and weigh up to 320 pounds.
The largest fish in the world, the whale shark can grow up to 40 feet long and weigh up to 47,000 pounds.
The largest bear in the world, the polar bear can grow up to 10 feet long and weigh up to 1,500 pounds.
The largest snake in the world, the green anaconda can grow up to 29 feet long and weigh up to 550 pounds.
The largest amphibian in the world, the Chinese giant salamander can grow up to 6 feet long and weigh up to 140 pounds.