Walrus scat could be clue to understanding Arctic UNALASKA, AK (kucb) - Walrus scat may provide a key to understanding the changing Arctic ecosystem. It turns out fecal matter is more than just waste - it's a wealth of information about a walrus's diet, it's sex, and even it's stress levels. KUCB's Anne Hillman found out more. © Copyright 2009, kucb