How do birds use special tools inside them to find their way?

Birds use special tools inside them like built-in compasses and maps to find their way.

Imagine you have a toy car that can drive on its own, it knows where to go without anyone telling it! Birds are kind of like that toy car. Inside their heads, they have a compass, which works like the one on your fridge door. It points north, south, east, and west. Some birds also use a map inside them, which helps them remember where places are, just like how you might remember the way to your favorite ice cream shop.

• The compass: Birds can feel the Earth’s magnetic field, like they have a tiny magnet in their heads. This helps them know which direction they're going.
• The map: Some birds also use the sun and stars as markers, it's like having a sky full of street signs that help them find their way home.

These tools work together to help birds fly thousands of miles, sometimes all the way across oceans! It’s like having a super-smart GPS inside your head, but for birds.