Hi everyone! My barn cat was playing with a small mouse just now. I thought it was dead, until I got closer and realized it was alive. It didn't have any blood but there's something wrong with its two back legs. Right now it's in a plastic bin, with a screen on top. It seems very alert, but it's shaking badly. Is there anything I can do? Should I just let it go, or give it back to the cat? Thanks for any advice!