But a new study has found that African grey parrots volunteer assistance to both their good friends and mere acquaintances -- even when there is no expectation of personal gain.

Apollo, an African grey parrot in Florida, delights the internet Apollo is very verbal — and smart, too. Check out some of his abilities in this cute video.

Check out Macey-Grey, a parrot from England with a cheeky habit of reenacting her mom's phone calls from start to finish! Click here to watch the video.