I caught a bat on the fly rod several years ago. Go to
www.connecticutsurfcasters.com , click on the "articles" link, go to "bycatch". Got tangled in my leader.
I agree about those Block Island bluffs. Cuttyhunk has some nasty ones, too.
I had a seal on a dark, foggy night out near Chatham scare the hell out of me. Splashed about 10 feet from me as I was out to my chest in waders, I was back on dry sand in no-time flat.