When Nigel vanished four years ago, he spoke with a cultivated British accent. Little is known about where the African grey parrot went, what he did — or who he was with — in those missing years. But ...

Add Yahoo as a preferred source to see more of our stories on Google. African Grey parrots aren't just among the smartest birds in the entire world; they're one of the world's smartest animal species, ...

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 ...