"Some cats will let out a deep growling noise, sometimes mixed with yowls, cries, or hisses," explains Dr MacMillan.

According to an article from VCA, the animal hospital chain, dilated pupils in cats can signal stress or anxiety, but they can also occur in dim lighting or when a cat is stimulated. A stock image ...

Another cat with a similar pupil issue was previously compared to David Bowie online due to his differently dilated pupils. Reddit users online shared their reactions and advice. "It can be serious.

Cats smile by narrowing their eyes, shutting them partly or completely. Their pupils may also be dilated while doing this. Humans by nature are more expressive, using the muscles in our faces to ...

Thin slits in cats — as opposed to circular pupils — allow for a huge change between the constricted and dilated states, and are capable of undergoing a 135-to-300-fold change in area.

Thin slits in cats — as opposed to circular pupils — allow for a huge change between the constricted and dilated states, and are capable of undergoing a 135-to-300-fold change in area.

Understanding a cat’s cues can help owners better care for their pets. Cats have a reputation for being mysterious, independent creatures. But understanding your feline friend’s emotions and ...