ADAPTED FOR ANTARCTICA

These giant penguins have an arsenal of highly specialised adaptations to combat the extreme cold and scarcity of food

1 BIG BIRDS

Emperor penguins can weigh up to 40 kilograms and stand up to 1.3 metres tall.

2 EXPERT SWIMMERS

With a hydrodynamic body and powerful wings, they commonly dive up to 40 metres at around 6.7 miles per hour.

3 FULL STOMACHS

Penguins feed on mostly fish and krill. An adult can eat up to three kilograms of food per day.

4 STRONG GRIP

Short legs and strong claws allow penguins to grip onto rocks and ice.

5 INSULATION

By preening their feathers, emperor penguins trap air between their densely packed feathers for insulation.

6 SALTY TEARS

Penguins have glands under their eyes that secret excess salt, allowing them to drink salt water safely.