While most animals don't learn their vocalizations, everyone knows that parrots do—they are excellent mimics of human speech. But how large is the vocabulary of different parrot species? Do males ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

The African Grey parrot is not just a bird with pretty feathers. It is one of the smartest bird in the whole world. Many scientists call it the “Einstein” of the bird world because of its amazing ...

African Grey parrots have the gift of gab in a way that few other birds, even talking birds, do. You may have heard of Alex the Grey Parrot, who had amassed a vocabulary of over 100 words before his ...