By: Addison Wylie I don’t blame you if The Birder’s premise doesn’t send you aflutter.  Ted Bezaire’s comedy is about a polite bird enthusiast (a “birder”) seeking retribution because he didn’t win the ‘Head of Ornithology’ position at his cherished National Park.  Did I also mention Tom Cavanagh plays the lead birder?  I’ll give you a moment to catch your breathe. I’ve always seen Cavanagh as someone who’s still trying to figure out where he fits…