When we observe the small heads and unmeaning eyes of birds, we do not expect to find any great amount of intellect among them. They are, however, moved by the same passions and feelings as larger animals, and occasionally exhibit thought and reasoning power. I suspect, indeed, could we understand their language, that we should find they can talk to each other, and express their meaning as well as others of the brute creation.
The following pages will deal with prominent features of their intelligence and psychology.
