Update: Apparently Squirrels do hiss, according to a number of sources on the internet, but this was actually a large chipmunk that hissed at me. We don't get many up here on the top of the hill. I'm guessing it's partly because all the tall trees are far below us, but the fact that I'm a cat lover, I am sure, has a bit to do with it.
The day after I wrote this blog I saw Boo Boo coming up the hill with something fuzzy in his mouth. I squealed and ran down the hill towards him. He was so shocked that he leapt up in the air and opened his mouth. A fluffy chipmunk popped out of his mouth, stunned.
I ran up to him and stood between Boo Boo and the chipmunk, as Boo Boo froze, wondering what I was hollering about. The little guy got his senses back, glared past me at Boo Boo and started yelling and cursing at him, then darted off down the hill screaming profanities the whole way. I just thought you might enjoy this little update. :) Apparently chipmunks hiss too.