If the cats have reached sexual maturity (usually between 5-7 months of age), it is very likely they are fighting for territory and/or mates. If the cats are younger, however, they could simply be play fighting, which is a normal activity young animals engage in to learn survival skills.
hamsters are fighting when there start to be like scratches and bite marks and some times bite you or your friends my hamsters where fighting and i separated them and some times they will attack each other and they will make funny noises like squeeling hope this helps.
Cats play with each other all the time, especially relatives. Play fighting shows a good relationship between cats, it is healthy competition. When they scratch they have their claws in and when they bite they put no pressure on the other cats skin. Cats will hiss and roll around, but believe it or not, it actually means they love each other.
They get more Territorial with age.
only if that dog chases cats. trust me i am an experienced cat person.
When cats do this, they are just playing with one another. It may seem mean but to them it is not.
Well one thing is that cats scratch at each other more than dogs. Also cats are more flexible than dogs in that they can jump and flip, etc. Unless it's a really small dog like a chihuahua. They also bite less at each other, unless they are declawed, which prompts them to bite more. (Cat claw caps don't count because they still have their claws to use, they just can't hurt as much.)
Cats recognize each other be scent, so cats often go right up to each other and sniff each other when they meet. If the two cats like each other, often they will rub their cheeks together as well.
They lick each other
they really like each other i have a morkie and two cats and they are always playing with each other
they bite each other.
they bite each other for there lives.
no they love each other and are always kind to each other