PUPPY DOG EYES👀

Hi Everyone..! So do you ever thought there's an expression that our pet dog does..if you didn't now you will knowwhat it is..👉🏽

Did 'puppy dog eyes' expression evolve exclusively in dogs due to domestication?

Yess.

New research reveals that coyotes, like domestic dogs, can produce the famous "puppy dog eyes" expression. The study challenges the hypothesis that this facial feature evolved exclusively in dogs due to domestication. The researchers examined the levator anguli oculi medialis (LAOM), the muscle responsible for raising the inner eyebrow to create 'puppy dog eyes', in coyotes. They discovered that coyotes also possess a well-developed LAOM. The researchers compared the facial muscles of coyotes, dogs, and gray wolves. While dogs and coyotes possess a well-developed LAOM, the muscle is either modified or absent in gray wolves.

This challenges the hypothesis that human-driven selection was responsible for the development of the inner brow raiser in dogs. Instead, the LAOM might have likely been present in a common ancestor of dogs, coyotes, and gray wolves but was later lost or reduced in Wolves.

From yours 

Sienna ❤️‍🩹