Corvids include ravens, jays, crows and magpies.
鸦科包括渡鸦、松鸦、乌鸦和喜鹊。
Clayton's experiment required jays to remember the type, location, and freshness of stored food based on a unique learning event.
克莱顿的实验要求松鸦根据一个独特的学习事件来记住所储存食物的类型、位置和新鲜程度。
It's been suggested in fact that jays, corvids known for stealing each other's food, may hide their food precisely because they are projecting their own tendency to steal onto other jays.
事实上，有研究表明，以偷别人食物而闻名的鸦科动物会隐藏自己的食物，正是因为它们把自己偷东西的倾向投射到其他鸦类身上。
Initially the scrub-jays behaved as predicted, choosing to stow away the second food, which they had not just eaten.
起初这些林雀的行为与预料的一样,它们选择了储备那还没有吃到的第二种食物.
Even more interesting, not all jays protected their food that way-only those that had previously raided other birds' stores.
更为有趣的是，不是所有的鸟都用这种方法保护它们的食物——只有那些曾经偷吃其它鸟的食物的鸟才会这样。
Stars climb, frost comes, and blue jays sing.
星星升起，霜降下来，蓝松鸦歌唱。
'Sick of peanuts'On day one, the jays were presented with two differently coloured boxes in which to hide food.
“不喜花生”第一天，展示给松鸦的是两个用来储藏食物的不同颜色的盒子。
To find out if the jays thought about the future, the scientists exploited the birds' habit of hiding or "caching" food for later.
为了找出松鸦是否为未来之事做准备，科学家考察它们为往后收藏或“储备”食物的习惯。
I really enjoy the ingenuity of scientists testing optimism and pessimism in starlings, episodic memory in scrub jays and meadow voles, joy in rats.
我非常欣赏科学家们的创造力，他们能测试八哥的乐观和悲观，测试灌丛鸦和草甸田鼠的情景记忆，测试老鼠的欢乐。
Ms Cheke is currently investigating Eurasian jays' social abilities - finding out if the birds are able to understand how other birds are feeling.
奇克女士目前正在调查欧亚松鸦的社交能力，找出鸟儿是否体会得到其它同类的感受。
ATTICUS FINCH: "I remember when my daddy first gave me that gun, he told me that I should never point at anything in the house, and that I could shoot all the blue jays I wanted, if I could hit them."
阿提卡斯。芬奇：“我记得父亲第一次给我枪时对我说，你不许把枪对着家里的任何东西，如果你愿意，并且也能打中，你可以射击蓝鸟。
The decorative crest on top of the Blue Jays head can be a barometer for their mood.
冠蓝鸟的头顶上冠的饰毛是它们心情的晴雨表。
The Toronto Blue Jays, Detroit Tigers, Montreal Expos, Milwaukee Brewers and Boston Red Sox all gave us a warm welcome.
多伦多蓝鸟队、底特律猛虎队、蒙特利尔博览会队、密尔沃基酿酒人队、波斯顿红袜队都热烈欢迎我们去演奏。
Blue Jays are particularly beautiful birds, known and named for their deep blue color and strong black and white striping on their wings.
冠蓝鸦是一种非常漂亮的鸟，以它他深蓝的毛色和翅膀上分明的黑白条纹而得此名。
Blue Jays are particularly beautiful birds, known and named for their deep blue color and strong black and white striping on their wings.
冠蓝鸦是一种非常漂亮的鸟，以它他深蓝的毛色和翅膀上分明的黑白条纹而得此名。
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