Step 1: While in Bolivia decide that slowing down for every chicken that crosses in front of you will result in you never getting anywhere.

Step 2: Find success with Step 1, they just get out of your way.

Step 3: Find the "slow" chicken but think you're in the clear anyway as it is standing squarely between your tires.

Step 4: Whack the chicken in the head with your differential. Oops!!