What is the stupidest bird? The kakapo is known as the dumbest bird in the world.
What is the dumbest animal and why? There are few animals that are as slow and dumb as sloths. No wonder they have a spot on the top 10 dumbest animals in the world list. In the nearby trees, they spend much of their time sleeping, although they never defecate there.
Are sheep the dumbest animals? There is a commonly held belief that sheep are dumb. Merino ewes in particular are known to be slower learners than other breeds. However, sheep have excellent visual memory and research shows they can remember up to 50 different sheep faces.
Why is Ostrich the dumbest animal? The dumbness of an ostrich is usually associated with its small brain that requires a microscope to see. Its eyes are about the size of billiard balls. They take up so much room in the skull that the brain is smaller than either one of its eyeballs.