Many dog breeds look genuinely happy based on their facial position, coloring, and stature. It’s straightforward to assume for people that their dogs are so glad if they are found smiling.
5 Smiling Dog breeds
Alaskan Malamute
French Bulldog
Papillon
Icelandic Sheepdog
Samoyed
Conclusion
Here’s a scientifically proven result, When dogs are relaxed and comfortable, they will drop their jaws, pull back their lips, and let their tongues lap over their teeth. It allows their mouth to take a shape that feels like a smile to people.