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
Rattlesnake mating sessions have been known to last more than 22 hours.
232
The Basenji dog is the only dog that is not able to bark.
4
Whales and dolphins can't taste anything other than salt.
11