Animals take many shapes and forms and come in a great diversity of sizes.
Some may think the biggest animal is the heaviest, others the longest, or the tallest. Whichever way you measure size there’s no denying that some animals are absolutely huge! Here is a selection of some of the biggest animals on earth.
The Blue whale is the largest animal of all time, reaching a weight of about 180 tonnes (198 US tons) and a length of 30m (98′). Their tongues alone can weigh as much as an elephant and their hearts as much as a car. Learn how many litres of its mothers milk a baby whale can drink in one day in the Blue Whales section in our Animals A-Z.
The size of the colossal squid is often exaggerated, with viral posts on the internet saying they can reach 60ft (18m) or even 90ft (27m) in length! However, the largest squid documented was 45ft (14m) long. They have the largest eyes in the animal kingdom, reaching 10” (25cm) in diameter!
Picture Credit: Beroe (Wiki Commons User)
The largest living land animal is the African elephant which can weigh up to 6,350kg (7tons) and are typically 10.6m (35ft) from trunk to tail with a shoulder height of 4.2m (almost 13′). Find out what elephants have in common with cetaceans, magpies, humans and other primates in our Animals A-Z section.
At a height of 5.8 m, the giraffe is considered the tallest living animal on earth. They weigh approximately 2tonnes (2.2 US tons)!
Picture Credit: Luca Galuzzi www.galuzzi.it
The brown bear and polar bear are the largest living land carnivores, weighing a whopping 1 ton (907kg)and 3m (10′) tall when standing on their hind legs! Read more facts and watch videos on bears in our Animals A-Z section.
The Whale shark is the largest living fish! They are around 13.5m (44′) long and weigh in at 22tonnes (24US tons)!
Picture Credit: Yzx (Wiki Commons User)
The largest living reptile is saltwater crocodile with a length of 5 m (16′) The largest recorded crocodile weighed an incredible 1,900 kg (21US tons) and spanned 6.3m (21′) in length!
The Ostrich is the largest living bird, with a height of 2.7m (9′) and weighing in at 156 kg (344lbs).
Learn how ostriches manage without teeth in our Animals A-Z section!
The Chinese giant salamander is the largest living amphibian, weighing of 64 kg (140lbs) and typically about 1.8m (6′) long.
Picture Credit: H Zell (Wiki Commons User)
The heaviest insect in the world! The Goliath Beetle weighs 115g and has a length of 11.5cm.