神操作！法国主题公园“雇佣”乌鸦捡垃圾
<p>公园中总少不了垃圾，尤其是小而难缠的烟头等。法国的一个主题公园想到了一个好办法：训练乌鸦来捡垃圾。上周末开始，6只“出师”的乌鸦已经开始它们的清洁工生涯。乌鸦捡完垃圾扔进垃圾桶后，就能领取到“报酬”。</p><p><span word="ScienceAlert">ScienceAlert</span>网站截图 <span word="If">If</span> <span word="you">you</span>'<span word="ve">ve</span> <span word="been">been</span> <span word="paying">paying</span> <span word="attention">attention</span>, <span word="you">you</span> <span word="know">know</span> <span word="that">that</span> <span word="corvids">corvids</span> (<span word="crows">crows</span>, <span word="rooks">rooks</span> <span word="and">and</span> <span word="ravens">ravens</span>) <span word="are">are</span> <span word="remarkably">remarkably</span> <span word="intelligent">intelligent</span> <span word="birds">birds</span>. <span word="Now">Now</span> <span word="these">these</span> <span word="feathered">feathered</span> <span word="geniuses">geniuses</span> <span word="have">have</span> <span word="been">been</span> <span word="given">given</span> <span word="a">a</span> <span word="job">job</span>: <span word="six">six</span> <span word="rooks">rooks</span> <span word="have">have</span> <span word="been">been</span> <span word="trained">trained</span> <span word="to">to</span> <span word="pick">pick</span> <span word="up">up</span> <span word="rubbish">rubbish</span> <span word="in">in</span> <span word="the">the</span> <span word="Puy">Puy</span> <span word="du">du</span> <span word="Fou">Fou</span> <span word="historical">historical</span> <span word="theme">theme</span> <span word="park">park</span> <span word="in">in</span> <span word="western">western</span> <span word="France">France</span>.</p><p>如果你平时留心的话，应该知道鸦科动物（乌鸦、白嘴鸦和渡鸦）是绝顶聪慧的鸟类。现在这些智商超群的鸟儿们得到了一份工作：6只白嘴鸦接受训练后将在法国西部的历史主题公园“狂人国”捡垃圾。</p>
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