It's odd that crows were chosen for this study. It's well established that crows are talented vocal mimics, and in captivity to use those vocalizations to inter

It's odd that crows were chosen for this study. It's well established that crows are talented vocal mimics, and in captivity to use those vocalizations to interact with their captors. It's analogous to looking for this behavior in parrots, if less obvious. In regards to biology's approach to animal intelligence and psychology, I'm currently reading (and would recommend) "Are We Smart Enough To Know How Smart Animals Are?", which goes into this topic in detail.