Wolves, sabre cats, frostbite spiders, skeevers... they're all best buddies with each other. Wish they fought each other.

So it seems. Cats and dogs living together, mass hysteria!

http://skyrim.nexusmods.com/mods/10175//? remedies this.

Wish they had something like that for Xbox.

only when they're attacking you, I've seen many different types of hostile animals attack each other which is hilarious at times...recently I saw 3 horkers gang up on a frostbite spider.

I've had the random encounter where two Giant Frostbite Spiders attack each other.

That's the only time, I think. They were fighting over a wrapped corpse.

Seems like I see animals fighting each other all the time. Much more so than in previous games.

I see it all the time. Almost everyone i go into the wilderness really. Frostbite spiders love to maul foxes and smaller animals, and I've seen a sabre vs a bear too. Just random really

Not entirely. "Predators" will attack "Prey"

I often wonder why bears and wolves always prefer to team up against my Dragonborn, instead of attack each other.

Whenever I do see falmer, automatons and etc. fight each other, I like to watch the carnage and go clean up afterwards.

What a terrible, bloodthirsty thought!

In my game, the animals kill each other

Then the survivors sometimes attack me. Sadly, I'm forced to put them down

As long they do not detect your PC, there seems to be battles amongst Animalia of different kind, though not 100%.

Cause bears know they can't catch the wolves but wolves are afraid of bears , but both think they can team up to eat the unsuspecting dragonborn

The enemy of my enemy is not my friend. Animals will go against each other but they hate you more.

That would explain the Giant Frostbite Spider corpse next to another Giant Frostbite Spider I found a while back. Kinda freaked me out a bit, but I was glad I didn't have to fight both with only steel arrows.