Whip-Poor-Will · western meadowlark · Waterthrush · Umbrellabird · Scrub jay · roseate spoonbill · Oropendola · marbled murrelet · Mallard duck · kildeer

In fact, if another scrub jay was visible when the first jay buried its food, the first jay was more likely to dig up the food later and rebury it in another location.

事實(shí)上美女污视频免费在线观看，如果另一只蜂鳥看到了第一只蜂鳥藏食物国内精品盗摄系列，那么第一只鳥則很有可能隨后把食物挖出來在重新埋在其他地方国产日韩美女精品。

In fact, when scientists allowed some scrub jays to dig up another jay's food after seeing where it was buried, the birds allowed to steal were more likely to rebury their own food later, when given the chance.

是的av淘宝一区二区播放，事實(shí)上，當(dāng)科學(xué)家允許蜂鳥看到其他蜂鳥埋藏食物Se九一片在喷色p，那些允許去偷竊的鳥激情小说激情视频激情电影激情图片，一旦有機(jī)會(huì)，他們就會(huì)把食物重新埋好A片网站一区。

Y: Well, did you know that in several laboratory experiments scrub jays, relatives of the blue jay, hid their extra food more cautiously when other jays were around?

你不知道一些實(shí)驗(yàn)室在對(duì)蜂鳥做一些研究男女网站永久免费精彩视频，蜂鳥是藍(lán)色蜂鳥的近親，他們?cè)谄渌榈拿媲靶?/p>