Crows Could be the Smartest Animal Other Than Primates. Chris Baraniuk. www.bbc.com . Dec 11, 2019. New Caledonian crows make hooked tools from soft twigs to scoop insects out of holes. Other animals that use tools: chimpanzees, parrots, alligators and crabs.
The crows found the desired stems even when they had been disguised with leaves from a different plant species.
There are anecdotes of crow intelligence too, e....