Probably because so much superstition and folklore involve cats. Think of black cats during Halloween and the bad-luck black cat as examples.
I wouldn't say most 'popular' I'd say most common. If there were to be a most common animal, it would be cats.
Cats,dogs and horses
Earthworms, rats and chickens are the three most common animals on the planet.Dogs and Cats, and Birds too.
The most common field for a veterinarian in the US is small animal or companion animal medicine exclusive, focusing on treating cats and dogs.
Dogs and cats are the most common animals housed in an animal shelter.
No, cat can not weaken ghosts. In fact, a cat will most likely be afraid when they see a ghost.
Microtus pennsylvanicusThe common field mouse (Meadow Vole) is the most common mammal in North America.
the lion, leopard, elephant, buffalo and rhinoceros
dogs and cats
Monkeys, dogs, cats, rabbits, mice and rats are used in laboratories.
As in most of the world the most common pets are dogs and cats. In Uruguay there are very few cats in the streets and just some dogs. About animals in general in Uruguay pigeons are a national plague so there are a lot in the country.
dogs, cats, DONKEYS, horses