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Previous research papers published in 2019 and in 2022 theorised that dogs evolved new muscles around their eyes specifically because this facilitated more effective communication with humans.
There’s a reason we call them “puppy dog eyes”—those soulful, innocent expressions can sway even the most hardened human. That’s no accident, a new study says. Centuries of domestication ...
“Puppy-dog eyes didn’t just evolve for us, in domestic dogs,” says comparative anatomist Heather Smith. Her team’s work has thrown a 2019 finding that the muscles in dogs’ eyebrows ...
Languages: English. Coyotes, like domestic dogs, possess the ability to create the "puppy dog eyes" expression, a facial feature long thought to have evolved exclusively in dogs due to ...