Nemesis (nem·e·sis) bird: a bird that has eluded a birder despite multiple attempts to see it. It is equally normal behavior to hang ones head or to raise ones binoculars defiantly when discussing a nemesis bird.

 

"Crossing this [New River Gorge] bridge marked the beginning of what turned out to be one of the most challenging, unique and fun-filled nature vacations I've ever experienced." -Vickie Henderson