There's a squirrel who lives in the vent next to my kitchen window... she moved in last spring, and because she had a nest full of babies, my landlord didn't want to call the exterminator (I didn't want them to either) so they just put a board over the side of the vent that's in the kitchen so that the squirrel can't get in, and 'Bitey' has been living there ever since. I often see her walking past my windows with leaves or food (she really entertains the cats!) and sometimes I can hear her scratching around in the vent, working on her nest I guess, but I've never heard her make any noise until today - for the past hour or so, she has been making very loud squeaking type noises, and loud groaning noises. I know that she's a wild animal and can take care of herself, but still, I am worried... does anyone know anything about squirrels, is it normal for them to make noises like this (she never has before!), or is something wrong?