Book 31, Question 20 · Video
How do birds digest food so quickly?
A bird needs to stay light, so it can’t carry a heavy meal around for long. Many birds have short, fast digestive systems that move food through in a short time. Some small birds pass a berry in under an hour. The quick turnaround means the bird gets energy fast and can eat again, while staying light enough to fly.
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What Crafty Clover says in this video
Intro
Hi there, curious minds! I'm Crafty Clover! Let's discover something amazing. How do birds digest food so quickly?
The Big Idea
Birds eat and then they're off! Their food zooms right through them. How do birds digest food so quickly?
Stay Light
Step one: Stay Light. A bird needs to stay light, so it can't carry a heavy meal around for long. Extra weight makes flying harder.
A Short System
Step two: A Short System. Many birds have short, fast digestive systems. Some small birds can pass a berry through in under an hour.
Quick Energy
Step three: Quick Energy. The quick turnaround means the bird gets energy fast. Then it can eat again soon, while staying light enough to fly.
A Closer Look
Let's take a closer look! Kept low. Food moves fast. Under an hour. Comes quickly.
Quick Facts
Quick facts! Less food in the belly means less weight to lift. Some birds pass a berry in under an hour. Birds eat often. Fast digestion gives quick energy for flying.
Think Like a Scientist
Now, think like a scientist! With a grown-up, watch a bird feeder. Note when a bird visits. Write how long it eats. Write when it comes back. How often does one bird return?
Outro
Birds need to stay light to fly, so many have short, fast digestive systems. Some small birds pass a berry in under an hour, which gives them quick energy and lets them eat again soon. Science is amazing! Keep asking questions! The more you look around, the more wonders you will find, so keep your eyes open! Crafty Clover can be found on Amazon Books, Google Bookstore, and Apple Books. Available for purchase or download! Bye for now!