Reassessing the intelligence of Corvids

Details: Written by: Rod Boyle; Category: Ideas & Questions; Published: 15 July 2017; Hits: 1295

I mean my Blue-Jay is pretty sharp, but these birds are passing tests a lot of people couldn't:

Link: https://arstechnica.com/science/2017/07/ravens-ignore-a-treat-in-favor-of-a-useful-tool-for-the-future/?mbid=synd_digg