River otters roll in the sand at a site on the creek bank they repeatedly visit. They do this to mark their territory and leave some scat. In addition, otters might be rolling in order to distribute waterproof oils onto their fur from their glands.
River otters roll in the sand at a site on the creek bank they repeatedly visit. They do this to mark their territory and leave some scat. In addition, otters might be rolling in order to distribute waterproof oils onto their fur from their glands.