POLAR OBSESSION
'(<a href="http://www.j-archive.com/media/2009-12-01_DJ_13.jpg" target="_blank">Paul Nicklen presents the clue.</a>)  Cliff-nesting birds, like the thousands seen <a href="http://www.j-archive.com/media/2009-12-01_DJ_13a.jpg" target="_blank">here</a>, play an important part in Arctic ecology; their guano falls before the icy water's surface to provide nutrients to <a href="http://www.j-archive.com/media/2009-12-01_DJ_13b.jpg" target="_blank">these</a> flowery invertebrates'
sea anemones