POLAR OBSESSION
'(<a href="http://www.j-archive.com/media/2009-12-01_DJ_15.jpg" target="_blank">Paul Nicklen presents the clue.</a>)  Called oakum boys because their <a href="http://www.j-archive.com/media/2009-12-01_DJ_15a.jpg" target="_blank">brown down</a> looks like the frayed rope fiber used to caulk ships, <a href="http://www.j-archive.com/media/2009-12-01_DJ_15b.jpg" target="_blank">king penguin chicks</a> undergo this shedding process that gives them their waterproof feathers'
molting