Congratulations!

Your answer was correct.

Even though woodpeckers do not use helmets, their skull is so robust and suited for shock absorbtion that helmet designers use them as inspiration.

The next question can be found by following this hint:

Moving along the windy road, find the birch log (Betula pubescens) where the wild things thrive and the mushrooms grow.

Eager to learn more?

Woodpeckers are interesting creatures!

Read more about them here, here or here.