The tunnels can each be from 3 to 20 feet [1 to 6 meters] in length, and the marmots navigate through these mazes with their black whiskers, called vibrissae, which are located around their muzzle.
Panjang masing - masing terowongan dapat mencapai satu hingga enam meter, dan marmut - marmut tersebut berjalan menyusuri lorong - lorong ini dengan kumis hitam mereka, yang disebut vibrisa, yang terletak di sekitar moncong mereka.