Why do cows have spots?

Why do cows have spots? That's what Luke from Whitstable wanted to know.

Our expert, Professor Rob Young has the answers.

Check out these other Big questions too:

Why do cows have spots? That's what Luke from Whitstable wanted to know.

Our expert, Professor Rob Young has the answers.

Check out these other Big questions too:

Why do sloths move so slowly?

How do we know the Earth is four billion years old?

What is the difference between all the dinosaur periods?