Top 7 Smartest Bird Species in the World - Page 7 of 9

Cockatoos

These lively birds belong to the family of parrots and are not just smart but affectionate. Cockatoos have excellent speech abilities and can imitate the sounds and words they hear. Research reveals that they are more intelligent than four-year-old children. The study showed that cockatoos could recognize an object that is hidden. Further, they can track the same item if you place it in a different location. In fact, their ability of object permanence is higher than four-year-old children. If you are keeping one as a pet, make sure to provide plenty of entertaining toys in the cage.