喙与脑：使用工具的鸟类

These child prodigies of the animal kingdom have feathers and beaks – and very special skills! 　　The Keas of New Zealand are the only parrots that live in snowy mountain areas. They like testing their brains, solving puzzles and challenging tourists: they unscrew bottle-tops, di【好女春华电视剧全集完整版观看】【只要为你活一天电影】【豆瓣收视率研究中心小组】smantle windscreen wiper blades and tear open rucksacks. They seem so determined you’d think they have ...