From Newsweek:
A video of a puppy sniffing his cat sibling for the first time has gone viral on TikTok, with over 3.2 million views.
In the video posted by @ladynort18, a puppy can be seen approaching a cat and sniffing its backside, then immediately retches. The caption reads, “When your puppy notices the cat’s butthole for the first time.”
Smell is a crucial sense for most animals, and they are able to send and receive messages by producing certain smells. Research suggests that elephants have the best sense of smell of any animal, but dogs and cats are up there too.
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