[header] How to deal with a hippo encounter [title] Steer clear of hippos. [step] Hippos are territorial and become aggressive when they feel threatened, so respect their space. Keep on their good side by giving them a wide berth when you spot them in the water. 
Do not attempt to travel down waterways that are choked with numerous hippos.. [substeps] A hippo's " yawn " is actually a warning sign that you are approaching too near.