Dodd and Elrod finally made me smile. Mark Trail has left the trail, and fled from a bear up a tree. This comic advises hikers to make loud noises or wear bells on their packs to warn predators of their presence. What could more defeat the purpose of a nature hike than loud noises and bells? Why not have a bullhorn or alarmed hiking boots? My advice is to listen. Walk super softly and pause often, and listen. Just like the animals do. Maybe you'll hear a 900 lb. mama bear and her cubs before you have to climb a tree.