Animal Size Comparison

The largest animal that has ever lived; an adult can weigh over 150 tonnes.

Male sperm whales reach about 16 m; females stay closer to 11 m.

Adult humpback whales are generally 14–15 m long; this entry uses 15 m.

One of the largest land predators ever; adults reached about 12 m long.

Whale sharks commonly reach 9–12 m; the largest reliable record is 18.8 m.

Basking sharks commonly grow to 7–11 m; the largest verified reached 12.3 m.

The largest ray species; verified wingspans reach about 7.9 m (26 ft), and unconfirmed reports go wider.

An adult African bush elephant is about 6–7.5 m long including the trunk.

The largest dolphin; males reach about 7 m.

Great whites typically reach 4.3–6 m; exceptional individuals pass 6 m.

The tallest living land animal; adult males reach about 5.5 m.

The largest living reptile; large males reach about 5 m long.

White rhinos reach 3.7–4 m in body length.

The third-largest land mammal, about 3.5 m long.

Adult American bison can be up to 3.5 m long head-to-body; this entry uses 3.5 m.

The largest big cat; males reach about 3.3 m including the tail.

One of the largest flying birds; wingspan reaches about 3.2 m.

Adult moose have a head-and-body length of 2.4–3.1 m; this entry uses 3.1 m.

The second-largest big cat; males reach about 3 m including the tail.

The one-humped camel, about 2.8 m long.

The largest land carnivore, about 2.6 m long.

The most common zebra, about 2.4 m long.

A large kangaroo; males stand about 1.8 m tall.

The largest living primate; males stand about 1.7 m tall.

The largest wild canid, about 1.5 m long including the tail.

Adult cheetahs have a head-and-body length of up to 150 cm; this entry uses 150 cm.

The largest living bird's egg — about 15 cm long and weighing around 1.4 kg.

The smallest birds — an Anna's hummingbird is only about 10 cm long.

About 1 cm long and the fastest known ant, sprinting in the Sahara heat.