Glacier Mice Have No Feet But They Still Move In Herds
Gilbert and Bartholomaus, who have been married since 2012, first met at an undergraduate research program in the Wrangell Mountains of Alaska in 2006. One day while hiking on Root Glacier, they came across a herd of soft, pillowy clumps of moss—these glacier moss balls, made of moss usually wrapped around dust or sediment, live in small herds on glaciers. After a year of extensive research in 2009, followed by return trips to the glacier for the next three summers, during which they tracked the movements of 30 individual balls using color-coded bracelets, the couple discovered that the ‘glacier mice’ moved in a slow, herd-like motion, traveling around 2....