Why do dogs sniff each other's butts when they meet?

Why do dogs sniff each other's butts when they meet?

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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