In the wild, lions rest for around 20 hours a day

Frogs can see forwards, sideways and upwards all at the same time.

Sharks can hear a fish thrashing in the water from as far as 500m away

Frogs never close their eyes, even when they sleep

No penguins live at the North Pole

Platypus sleeps on average up to 14 hours per day

Mosquitoes can beat their wings between 450 and 600 times per second

Little Blue Penguins are the smallest type of penguin, averaging around 33 cm (13 in) in height.