They use their whiskers like we use the tips of our fingers. To better understand their environment, sea lions use their vibrissae which measure on average thirty centimeters. Thanks to these ultra-sensitive whiskers, they can measure the size and shape of their prey and behave accordingly. In a recent study triggered by American researchers, a blindfolded sea lion had no trouble denouncing different textures thanks to the sole use of its vibrissae. Photo credit: Shannon Vandenheuvel