credited with creating the puppy-dog expression, were similar in size to those of domestic dog breeds. “We could see distinct fibres that are very prominent, very robust,” says Smith.

Meanwhile, someone with a sad or beseeching expression is making “puppy dog eyes.” But are these stereotypes accurate? Research on the subject paints a complicated picture. It’s true that cats are ...

have the ability to produce the famous “puppy dog eyes” expression. The study challenges the hypothesis that this facial feature evolved exclusively in dogs as a result of domestication.

But again, you should pay attention to more than just a dog’s expression. “Sometimes one sign stands out, but you [need to] take everything into consideration,” Dr. Dodman says.

This video of a dog changing his facial expression on command is becoming a hit online. As the dog’s owner goes back and forth between one phrase and another, the dog seems to have the same ...

a Ph.D. student who studies evolution and dog domestication at the University of Florida. "The muscles of facial expression are relatively tiny muscles, but they can make a big impact on the way ...

Case studies of the condition have shown there is visual impairment, which makes the dog likely to walk into things, with a poor ability to focus and a startled expression. Once the condition is ...

credited with creating the puppy-dog expression, were similar in size to those of domestic dog breeds. “We could see distinct fibres that are very prominent, very robust,” says Smith.