Barber, author of the book The Human Nature of Birds ​ — A Scientific Discovery With Startling Implications, states: “All thoroughly studied animals, including not only apes and dolphins but also ants and bees, have demonstrated totally unexpected basic awareness and practical intelligence. ”
Barber, pengarang buku The Human Nature of Birds ​ — A Scientific Discovery With Startling Implications, mengatakan, ” Semua binatang yang telah dipelajari dengan saksama, bukan hanya monyet dan lumba - lumba melainkan juga semut dan lebah, memperlihatkan kesadaran dasar yang sama sekali tak terduga dan kecerdasan yang praktis. ”