Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19