> How does this theory show that birds didn't first become intelligent, and then started cheating because they're now intelligent enough to do it? I recommend

> How does this theory show that birds didn't first become intelligent, and then started cheating because they're now intelligent enough to do it? I recommend reading the linked book from a bird expert who has been studying this for her entire career. I promise it is much better and deeper than my comment here. It links to 266 references (papers) at the end. I just checked