Parrots and corvids are considered among the most intelligent animals on the planet. So intelligent in fact that they are used in studies to help us learn about the capacity of animal cognition. If you have parrots in your home, you probably aren’t surprised by any of this. Anyone that has taken the time to watch how their parrot interacts with the world and one another has likely seen that they’re really, really smart. Corvids are also extremely intelligent animals. Their use of tools and ability to solve complex problems continues to impress scientists and everyday observers.