 |
| A family of Burrowing Owls (By travelwayoflife (Flickr: Owl Family Portrait) [CC BY-SA 2.0 (https://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons) |
For many years it was thought that only humans used tools.
Then chimpanzees were seen using sticks to get termites and folding leaves into
cups to hold water. After that it was
