亚洲免费av电影一区二区三区,日韩爱爱视频,51精品视频一区二区三区,91视频爱爱,日韩欧美在线播放视频,中文字幕少妇AV,亚洲电影中文字幕,久久久久亚洲av成人网址,久久综合视频网站,国产在线不卡免费播放

        ?

        The Mystery of Dogs' Tail Wagging狗搖尾巴的奧秘

        2024-10-09 00:00:00肖雅琪
        關(guān)鍵詞:狼崽搖尾巴文選

        Dogs’tails are used for communicating4 with both humans and other dogs.But why did dogs start wagging their tails? Dogs came from wolves5, but they aredifferent in color and body size, as well as behavior6. Even from a young age, dogswag their tails more than wolves do.

        In past studies, dog pups7 would often start to wag their tails for the personwho cared for them by their fourth or fifth week of life. But wolf pups, which werealso raised8 by humans, almost never wagged their tails.

        Other studies found that dogs don’t wag them only when they are happy. Theywag their tails more on the right side when they feel happy, and more on the leftwhen they feel sad. And they wag them most when with their owners. Whenanimals are raised by human, some features9 are passed down because humanschoose to keep those features, or because the features help those animals liveamong us.

        Studies also found that humans enjoy rhythm10. This might make us like tailwaggingdogs just because we liked the rhythm. It might even explain why dogswag their tails so much when they’re around us.

        Future studies will look at types of tail wagging in different situations, alongwith things like heart rate and chemicals in the brain. It is to help us learn howwagging works, and why it began.

        狗用尾巴來(lái)與人類和其它狗交流。但是狗為什么開始搖尾巴呢?狗由狼進(jìn)化而來(lái),但它們?cè)陬伾腕w型以及行為上都有所不同。即使從很小的時(shí)候開始,狗搖尾巴的次數(shù)就比狼多。

        在過(guò)去的研究中,小狗在出生后的第四周或第五周經(jīng)常會(huì)對(duì)照顧它們的人搖尾巴。但是同樣由人類飼養(yǎng)的狼崽幾乎從不搖尾巴。

        其他研究發(fā)現(xiàn),狗不只在開心的時(shí)候搖尾巴。當(dāng)它們感到高興時(shí),尾巴更多地向右側(cè)擺動(dòng),而在悲傷時(shí),尾巴更多地向左側(cè)擺動(dòng)。和主人在一起時(shí),它們最喜歡搖尾巴。當(dāng)動(dòng)物被人類飼養(yǎng)時(shí),一些特征會(huì)被遺傳下來(lái),這是因?yàn)槿祟愑幸獗A暨@些特征,或者因?yàn)檫@些特征有助于那些動(dòng)物生活在我們中間。

        研究還發(fā)現(xiàn),人類喜歡有節(jié)奏的事物。這可能會(huì)讓我們喜歡搖尾巴的狗,只是因?yàn)槲覀兿矚g這種節(jié)奏。這甚至可以解釋為什么狗在我們身邊時(shí)會(huì)不停地?fù)u尾巴。

        未來(lái)的研究將著眼于在不同情況下?lián)u尾的類型,或伴隨著例如心率變化和大腦產(chǎn)生的化學(xué)物質(zhì),以幫助我們了解搖尾巴是怎么回事以及為什么會(huì)出現(xiàn)搖尾這種行為。

        (英語(yǔ)原文選自:engoo.id)

        猜你喜歡
        狼崽搖尾巴文選
        狗為什么搖尾巴
        畫與理
        畫與理
        畫與理
        畫與理
        狗可以用尾巴說(shuō)話嗎?
        小黑狗
        小浪花
        羊媽狼崽
        亚洲中文字幕av天堂| 国产人妻丰满熟妇嗷嗷叫| 日韩乱码人妻无码中文字幕视频 | 91久久国产香蕉熟女线看| 亚州性无码不卡免费视频| 午夜精品久久久久久99热| 色综合自拍| 久久精品国产亚洲av热九九热| 国产专区国产精品国产三级| 国产欧美一区二区三区在线看| 国产精品美女久久久久久久| 成年女人片免费视频播放A| 91偷自国产一区二区三区| 激情伊人五月天久久综合| 欧美丰满大爆乳波霸奶水多| av网站影片在线观看| 久久久精品毛片免费观看| 亚洲成在人线在线播放无码| 在线综合网| 国产亚洲精品性爱视频| 精品久久一区二区三区av制服| 胸大美女又黄的网站| 国产欧美一区二区精品性色| 亚洲中文字幕日产喷水| 亚洲日本中文字幕高清在线| 帮老师解开蕾丝奶罩吸乳网站 | 澳门毛片精品一区二区三区| 中文天堂一区二区三区| 五月开心六月开心婷婷网| 少妇精品无码一区二区三区| 五月天激情小说| 日本一区二区三区在线观看免费| 在线精品国产亚洲av蜜桃| 啦啦啦中文在线观看日本| 六月婷婷国产精品综合| 亚洲国产精品色婷婷久久| 丝袜美腿亚洲综合第一页| 欧美xxxxx高潮喷水麻豆 | 国产亚洲欧美在线| 亚洲精品中文字幕码专区| 亚洲欧洲国产码专区在线观看|