Halloween came early at the Philadelphia zoo, and the hippos are loving it 🦛🎃 Hippopotamuses are known for their incredibly strong bites. Their powerful jaws can exert a force of up to 1,800 pounds per square inch (psi) 🤯 🎥 phillypublicist 📍Philadelphia #philadelphiazoo #philadelphiatravel #halloweentime #halloweenseason #pumpkins #hippos #hippolove #spookyszn