There are many cases, when animals (or birds) literally speak and even showing very human like behavior on talking. But, as I could see, only humans have so si

There are many cases, when animals (or birds) literally speak and even showing very human like behavior on talking. But, as I could see, only humans have so significant language culture that lead to great number of manuscripts. I will even accent - little number of humans write books, but near none other species do this.