Sulphur-crested cockatoos are waiting in line at public drinking fountains in Sydney to have their daily drinks of water in the latest example of cultural evolution in urban birds
Sulphur-crested cockatoos are waiting in line at public drinking fountains in Sydney to have their daily drinks of water in the latest example of cultural evolution in urban birds Sulphur-crested cockatoos are waiting in line at public drinking fountains in Sydney to have their daily drinks of water in the latest example of cultural evolution in urban birds