Name the only mammal that can fly.

Name the mammal that can sleep for up to 22 hours a day.

Name the mammal that lives the shortest.

What is the colour of an octopus's blood?

At what age can an oyster change its gender?

How many tentacles does an octopus have?

How long can a giant squid is believed to able to grow?

How many hearts does a crocodile have?

What is the longest adult reptile?

How many species of reptiles are there?

How can you tell easily the difference between a crocodile and an alligator?