The two "many"s was a typo. You just named "many", as far as I'm concerned. How many proven examples do we need before we start to think that the only reason w

The two "many"s was a typo. You just named "many", as far as I'm concerned. How many proven examples do we need before we start to think that the only reason we don't know of 1000s more is because of lack of research? You also forget cephalopods. Oh, and Magpies and some other birds.