Seahorse’s eyes


A seahorse can move its eyes in opposite directions – all the better to scan the water for food and predators.

Hummingbird wings


Hummingbirds’ wings can beat 200 times a second.

Jellyfish – not a fish


Jellyfish, or jellies as scientists call them, are not fish. They have no brain, no heart, and no bones.

The Nile crocodile

Nile crocodile

The Nile crocodile can hold its breath underwater for up to 2 hours while waiting for prey.

Gecko feet


Gecko feet have millions of tiny hairs that stick to surfaces with a special chemical bond and let them climb walls and hang on by just one toe.

Bones in a cat’s tail

Kitten tails

A cat’s tail contains nearly 10 percent of all the bones in its body.

How thick is an elephant’s skin?



An elephant’s skin can be an inch (2.5 cm) thick in places.

The first cat in space

Felix Astronaut

In 1963, a cat named Felix became the first feline in space.