What causes the switch to flip in behavior from purring, snacking, and snuggling kitties to growling ones? Why do cats growl?

We gotta get down." (lions growling) (birds chirping) (lion roars) (sirens wailing) - [Narrator] It's not uncommon for your neighborhood cats to climb trees. Big shout out to all the firefighters ...

Q: Why does my cat growl and hiss while playing with his toys? A: Oh my word, I had one who used to do that too. It actually made me laugh. I'm guessing that in the wild, when a cat would catch ...