None.

Several field mice are almost run over by a bulldozer, that turns away from them.

The mother mouse is caught by a wind and falls down into a hole. She gets saved.

A few scenes show a cat that tries to attack some mice.

A bear tries to attack and eat two young mice.

A few mild words, such as "foolish" and "stupid".

None.

A bulldozer destroys the home of a family of field mice. It appears like the bulldozer is gonna run over the mice and crush them, but turns away before that could happen.

A cat trying to attack and eat any mouse it can see.