How quickly do seals' and sea lions' whiskers grow?

In order to clear any doubts regarding the comparative growth rates of the whiskers of harbor seals (Phoca vitulina) and Steller sea lions (Eumetopias jubatus), researchers at the Institute of Marine Science, University of Alaska Fairbanks, and the Mystic Aquarium, CT, U.S.A. performed a series of experiments in 2001.… » 8/20/11 9:00am 8/20/11 9:00am