Related Clues:
- Safari-goers may get a charge out of it
- Football ref
- Moat menace, for short
- Zoo equine
- Second-largest land animal, briefly
- One might be charging
- Serengeti heavyweight
- Everglades critter
- Nile threat
- Football ref, jocularly
- Thick-skinned behemoth
- Horny heavyweight
- Jungle critter
- Horned grazer
- Football ref, slangily