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Language/Animals/Mayr: There is no language among animals. Their communication systems consist in the exchange of signals. There are no syntax and grammar.
Mind: conceptual confusion: false limitation to the mental activities of the human.
Animal/Mind: it has been shown that there is no categorial difference between the mental activities of certain animals (elephants, dogs, whales, primates, parrots) and those of humans.
Consciousness/Animal: the same applies to the consciousness, a basic version of which is even to be found in invertebrates and possibly protozoa.
Mind/Mayr: there was simply no sudden emergence of the mind.
Das ist Biologie Heidelberg 1998