It feels threatened.
No. Dogs bark, Cats growl. A tiger is a cat.
Yes, they are more aggressive when they are pregnant. They will also bite and hiss at you if you touch or pet its belly.
Angry cats growl and hiss. You can write "Rrrrrr" or "hiss" or make up your own way of sounding out the noise.
Both, the dog has a normal growl and the cat's growl is more of a hiss
They do both.
They can hiss and growl.
no
They make a yapping almost high pitched barking sound. They can also growl, hiss and even purr.
A feral cat is basically a wild cat, that is not familiar with humans. Feral cats can be aggressive, bite, hiss, and run due to fright.
some hiss and some roars
yes.... they start to hiss and perhaps even bite.
No. Koalas growl, grunt and hiss, but they do not squeak.