Compare two animals

Narwhal

Length

3.5 to 5 m (adults, not counting the tusk; males are larger)

Weight

1,000 to 1,600 kg (adult females up to about 1,000 kg, males up to about 1,600 kg)

Lifespan in the wild

25 to 50 years (at least 25 years, possibly up to 50)

Lives in

Arctic Ocean, Canada, Greenland and Russia