Polly Share A Cracker? Parrots Can Practice Acts Of Kindness, Study Finds
Researchers found that African grey parrots voluntarily helped a partner get a food reward by giving the other bird a valuable metal token that could be exchanged for a walnut.
Read more on NPR
Health & Science - January 9, 2020 at 11:12PM - Polly Share A Cracker? Parrots Can Practice Acts Of Kindness, Study Finds
Không có nhận xét nào:
Đăng nhận xét