While the ears of the penguins are not visible, they have good hearing ability.

Clone fish are all male at birth. They become female over a period of time.

Colossal squid that lives in sea increases in the size of a bus.

Pandas do not require a specific place to sleep. They sleep wherever they become sleepy.

The crocodile cannot walk backwards.

There are 24 thousand varieties of butterflies.

Seahorse is one of the slowest swimming fish.

Wild animals called 'Hartebeest' run around in zigzag shapes.