Depends on the size, age, sex and "experience" of either species.
pyson
Crocodile.
This fight would never happen, no matter how you look at it.
Neither! Lions and alligators do not live in the same area of the world so would never have such an encounter.
alligator gar cause its awsome like that
A polar bear would totally lose because a rhino would charge at the polar bear and knock it with its horn.
A large alligator would win.
A polar bear would win the fight on land if it clawed the crocodile's head and flipped its body to claw its stomach. In water, the crocodile would definitely win the fight.
crocdodile
I don't know if such a fight has ever happened or ever will, but my guess is that the polar bear would win. Both animals are very strong, but the polar bear has bigger claws and teeth.
alligators pone
It depends on the health and size of the two animals, and the position of where are they attacking. If the ox struck the polar bear with its head or knocked its chest, the ox would win the fight. If the polar bear swiped and clawed the ox to death, the ox would be a meal of the polar bear.