Related Clues:

• Rear-end, e.g.
• Serengeti antelope
• Bash into
• Creature with a mane and a beard
• Crash into
• Old gate-crasher
• Animal that sounds young
• Animal with a mane and a beard
• Transport for Phrixus
• Butt heads
• Serengeti sighting
• One might be charging
• Shearling's dad
• Serengeti heavyweight
• St. Louis gridder