The "Flehmen response" in dogs takes place quite differently compared to other animals. Because of this, usage of the term "Flehmen response" doesn't apply well to dogs.

Posted by user @zsyfec, the TikTok video has more than 1.9 million likes, and one user commented, "He's mimicking the birds. They do this when they're hunting." ...

The flehmen response is your cat’s way of investigating and processing a smell that they find interesting. The term is derived from the German word flehmen, which means “to curl the upper lip ...