I like the sentiment, but human children who are 2 completely dominate all known animal intelligence. They can speak in sentences and use tools in complex ways. There may be studies that show a raven might use a stick to help it find food. Well, a two year old will carry a stool halfway across the house to reach the scissors that will open a bag of veggie straws :) At 3 they can recognize letters _easily_ and start learning how to read. At 4 they can with a bit of practice learn the piece moves of chess and start strategizing.
Animals can definitely be intelligent, and we should learn more about them and how they perceive the world, but when you play with a 2.5 year old for five minute there is no doubt that humanity is beyond special.
Animals can definitely be intelligent, and we should learn more about them and how they perceive the world, but when you play with a 2.5 year old for five minute there is no doubt that humanity is beyond special.