This article was reviewed by Zhao Xumao, a young researcher at Lanzhou University Now many of my friends have They all have dogs Whenever I go home It will always come out first Welcome you Cute little expression Really super healing Every time I go out Have you found a problem? When the dogs met their friends They will come over to smell each other's butt Why is this? Today we will take a closer look at turn out to be Dogs sniff each other's butts There are so many layers of meaning They smell butts Just like when we meet and shake hands But their way of saying hello Some other If it is a strange dog you have never met Smell the butt It is to see if the other person is worth getting close to. If the dog is in estrus Dogs of the opposite sex are pursuing each other And bitches will also choose their favorite objects To smell each other's butt Dog mother To monitor the health of your baby I also smell it from time to time. Do you all understand now? The pictures in this article with the "Science Popularization China" watermark are all from the copyright gallery. The pictures are not authorized for reprinting. |
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