wilderness-training
Explanation
The Joke
Two bears spot a human in the woods. One bear panics -- "Oh God, a human!" -- while the other tries to calm him down: "Calm down, Frank. He's probably just as scared of you as you are." The calmer bear then tells Frank to remember his wilderness training and try to convince the human that he is a scary, dangerous bear. Frank roars "RAAUUGH!" at the hiker and the human runs away screaming, with the bear remarking "Wow! I can't believe that worked!"
The Humor
The comic inverts the standard human-in-the-wilderness scenario. Normally, it is humans who are told that bears are "more scared of you than you are of them" and advised to make themselves look big and threatening to scare off bears. Here, the bears have received the exact same advice about humans. The final punchline -- "I can't believe that worked!" -- implies that the bear considers himself non-threatening and is surprised that simply roaring was enough to frighten the human, mirroring how humans who successfully scare off a bear might feel the same amazement. The role reversal works because both species genuinely are afraid of each other, making the advice equally valid from either perspective.