<input type="hidden" value="" data-essbisPostContainer="" data-essbisPostUrl="https://yodoozy.com/birds-are-trading-bottle-caps-for-food-now/" data-essbisPostTitle="Birds Are Trading Bottle-Caps For Food Now" data-essbisHoverContainer="">
<p class="has-text-align-justify">Hans Forsberg&#8217;s Crowbox experiment is teaching birds to trade bottle-caps for food. As the bird throws a bottle-cap inside the machine, the sensor detects and rewards the food to the bird. These birds are getting smarter each time they trade.</p>



<figure class="wp-block-image size-large is-resized"><img src="https://yodoozy.com/wp-content/uploads/2020/11/pexels-photo-1156507.jpeg" alt="" class="wp-image-11779" width="800" height="600"/></figure>



<p class="has-text-align-justify">Watch this magpie trading a bottle-cap and getting its reward.</p>



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