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Book 31, Question 28 · Video

Why is a woodpecker’s tongue so long?

Video · 1:52 · Crafty Clover explains, from A Million Whys Book 31

A woodpecker uses its long tongue to reach insects deep inside tunnels in wood. The tongue is attached to special bones that wrap around the back of the skull, so there is room for a very long tongue to stretch out. The tip is sticky or barbed, which helps grab food. When the tongue is not in use, it tucks back like a measuring tape rolling up.

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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. Why is a woodpecker’s tongue so long?

The Big Idea

Woodpeckers have a super long tongue! Some reach far past the beak. Why is it so long?

Reaching Bugs

Step one: Reaching Bugs. A woodpecker uses its long tongue to reach insects deep inside tunnels in wood. Bugs that hide there can't escape that far-reaching tongue.

Wrapping Bones

Step two: Wrapping Bones. The tongue is attached to special bones that wrap around the back of the skull. That gives room for a very long tongue to stretch out.

Sticky Tip

Step three: Sticky Tip. The tip is sticky or barbed, which helps grab food. When the tongue is not in use, it tucks back like a measuring tape rolling up.

A Closer Look

Let's take a closer look! Very long. Wrap the skull. Sticky or barbed. Grabbed fast.

Quick Facts

Quick facts! In some woodpeckers, the tongue can reach several inches beyond the beak tip. Tongue bones wrap around the skull. The tips are sticky or barbed. It rolls up like a measuring tape.

Think Like a Scientist

Now, think like a scientist! Ask a grown-up to help cut a long strip of paper. Roll it tightly around a pencil, then slide the pencil out. Let the paper unroll. Notice how a long strip fits in a small space. That's how a long tongue waits until it needs to reach.

Outro

A woodpecker's long tongue reaches insects deep in wood tunnels. It's attached to bones that wrap around the back of the skull, it has a sticky or barbed tip, and it tucks away like a measuring tape. Science is amazing! Remember, every big discovery starts with a small question. Keep looking, keep learning, and keep asking why! Crafty Clover can be found on Amazon Books, Google Bookstore, and Apple Books. Available for purchase or download! Bye for now!

Why I wrote this