Norwegian forest Cats

We have a Norwegian Forest Cat. 
We were looking for a "mouser" when we picked her up from the previous owner. She will watch the mouse, rat bird, fly but she has to yet to catch one in the 4 years that we have had her. She has no problem telling the other local cats to get lost though. She finds dogs interesting subjects of observation too.
She is very fluffy in the winter. She does not mind the snow. She is not into the rain though. She is funny about the water that she drinks. She will not take it from her bowl but from the toilet or the puddle outside. In the winter/spring she will pull the "hair balls" off her body. She is a very good groomer. She climbs unto the roof of our trailer often. I am not sure if it is chase the crows off or not. But she does remind me of a panther sometimes in her stalking.