This puzzle is part of the Monthly Topic Challenge #1: Restricted Title: xkcd 1xxx
Where do birds go?! A famous ship? A Channel Island? A river in Greece? A Caribbean island? A conifer leaf? A circle of light? A California stadium? A New York borough? An Egyptian city? Cyberspace? A moon of Saturn?
ANACTHEBPIEDLEALDYAINETBLYNROSEBGLIQUE
NB This is not a cipher puzzle.