Bird Brains vs Primate Brains
"Corvids in particular have been found to be capable of spontaneous analogical reasoning and can exhibit motor self-regulation on a par with great apes. Songbirds and parrots also possess the ability for vocal learning – parrots even exhibit the exceptional ability to learn words and use them to communicate with humans." says author Tatjana Hoehfurtner in her article "Are Birds As Clever as Primates?" published on bioshpereonline.com
Photo: courtesy Martin Pettitt and bioshpereonline.com