Animals 1:00

Beetles Navigate Stars for Kids

1The Strongest Insects in the World

Imagine being able to push six double-decker buses all by yourself! That is exactly how strong a dung beetle is compared to its tiny size. These busy bugs spend their lives searching for animal droppings, which they turn into a perfectly round ball. Once the ball is ready, they have to move it as fast as possible to a safe hiding spot. To do this, they stand on their heads and push with their back legs, making them some of the most impressive weightlifters in the entire animal kingdom. They can move balls that are 50 times heavier than they are!

2Navigating by the Milky Way

The most amazing part of the dung beetle's journey happens at night. While humans use GPS or maps to find their way, these beetles look at the sky! They are the only known insects to use the Milky Way galaxy to navigate. By watching the faint glow of the stars and the patterns of light from the Moon, they create a "celestial compass." This helps them travel in a perfectly straight line, even when the ground is bumpy or covered in obstacles. Their special eyes can even see polarized light, which is a type of light that humans cannot see without scientific tools.

3Why a Straight Line is Key

You might wonder why a beetle is in such a hurry to roll in a straight line. In the wild, "dung-stealing" is a big problem! Other beetles are always looking for an easy meal and will try to hijack a finished ball. If a beetle rolls in circles, it stays in the same area for too long and is much more likely to get robbed. By using the stars to stay on a straight path, the beetle ensures it gets its food home quickly and safely. It is a brilliant survival strategy that proves you don’t need a big brain to be a master of astronomy!

Video Transcript

Introduction

Dung beetles might seem simple, but they are incredible navigators! After finding fresh animal droppings, they quickly roll a perfect ball to take home. To make sure they roll in a straight line and do not go around in circles, these tiny insects use something amazing that humans often rely on for navigation too - the stars in the night sky and even the light from the Milky Way!

Key Facts

Did you know some dung beetles can roll a ball of dung up to 50 times their own weight, like a human pushing six double-decker buses? They also have special eyes that can see patterns of polarised light from the Moon and even the faint glow of the Milky Way, using them like a compass to stay on a straight path!

Think About It

How do dung beetles find their way home in the dark using the night sky?

The Answer

Dung beetles use patterns of light from the Moon and even the Milky Way as a celestial compass. By keeping these light patterns in a fixed position in their vision, they can roll their dung ball in a perfectly straight line, no matter how bumpy the ground is. This helps them get their food home quickly and efficiently.

Frequently Asked Questions

Why do dung beetles need to roll in a straight line?

They need to move away from the dung pile quickly because other beetles might try to steal their ball. Rolling in a perfectly straight line is the fastest way to get away from the crowd and find a safe place to bury their prize.

Can dung beetles see the stars better than humans?

In some ways, yes! Dung beetles have specialized eyes that can detect patterns of polarized light from the Moon. This allow them to see a "map" in the sky that is invisible to the human eye, helping them stay on course even on dim nights.

What happens to the beetles if it is a cloudy night?

On very cloudy nights when the stars and Moon are hidden, dung beetles have a much harder time staying on track. Experiments have shown that without the stars to guide them, they often end up rolling in circles or wandering aimlessly.

How strong is a dung beetle really?

A dung beetle is one of the strongest animals on Earth for its size, capable of pushing 50 times its own body weight. For a human, that would be like trying to push six double-decker buses filled with people at the same time!

Watch More Videos

Discover fun educational videos about science, history, animals, and more.

Explore All Videos
Audience Debug