Not shy: Two black-tailed prairie dogs share a kiss at Calgary Zoo. Researchers have found they kiss even more when being watched.

?閱讀難度：

A new study shows that sociable prairie dogs like nothing more than a good kiss and a cuddle, particularly when they have an audience, the Daily Mail reports.

Scientists who studied 25 black-tailed prairie dogs at St. Louis Zoo in Missouri said the animals enjoy receiving attention just as much as humans do.

Adam Eltorai from Washington University led the study, which found that the larger the crowd watching them, the more adult prairie dogs kissed.

Prairie dogs have a similar style of greeting as many humans, touching their lips together and even sometimes making contact with their tongues. The kissing is often accompanied by grooming or cuddling. （點(diǎn)擊《每日郵報(bào)》查看原文）

土撥鼠享受接吻被圍觀

?????? 最新研究發(fā)現(xiàn)，擅長交際的土撥鼠最喜歡接吻和擁抱，尤其是在有人圍觀的時(shí)候。

?????? 英國《每日郵報(bào)》消息稱，在華盛頓大學(xué)亞當(dāng)?奧特萊的帶領(lǐng)下，科學(xué)家們對密蘇里圣路易斯動(dòng)物園的25只黑尾土撥鼠進(jìn)行了研究，結(jié)果發(fā)現(xiàn)，土撥鼠和人類一樣喜歡被關(guān)注。成年土撥鼠接吻時(shí)，圍觀的人越多，它們就會更加愛意綿綿，親吻得更多。

?????? 土撥鼠的問候方式和人類差不多，它們用嘴唇碰觸對方，有時(shí)還用舌頭相互接觸。它們接吻時(shí)往往伴有撫摸和擁抱的動(dòng)作。