You know, I saw this article on Facebook and was so excited to share it, but forced myself to study first. Then couldn't remember the article title or source after I was done. I'm so glad you shared it, because it's been nagging at the back of my head since!
That said, this is amazing. Though I'm sure we were all certain of the superior intelligence of parrots anyways
Also learned I don't need to take the pit out if the dates before letting the birds have them. One less minor chore when it comes to food prep!