I personally like to think that my bird has emotions. Whether it its sentient or has any sort of knowledge or problem solving skills like we would associate with a human is a different matter entirely. sure a mouse can be taught to find different ways through a maze, but its forced to because otherwise it won't eat. Knowledge of an area is hardwired into every animal because it needs to know its surroundings in order to find its home after hunting or gathering. Of course my bird is going to be nice to me, I give it food and it knows thats the only way to get food. but maybe that knowledge is proof of intelligence. I dont know.