Fruits of the Common Hazel (<a href="https://en.wikipedia.org/wiki/Hazelnut" class="extiw" title="en:Hazelnut">Hazelnut</a>); just before the fruit is ripe
<a href="//commons.wikimedia.org/wiki/User:Rillke" title="User:Rillke">Rillke</a>
<span class="int-own-work" lang="en">Own work</span>