n large animal 

Perception +9; scent (imprecise) 30 feet

Skills Athletics +12, Survival +10

Str +6 Dex +0 Con +4 Int -4 Wis +3 Cha -1

AC  22; Fort +14, Ref +8, Will +11

HP 70

Speed 35 feet

Melee [>] horn +14, Damage 2d8+6 piercing

Melee [>] foot +12, Damage 2d6+6 bludgeoning

Rhinoceros Charge [>>] The rhinoceros Strides twice, then makes a horn Strike. As long as the rhinoceros moved at least 20 feet, the Strike's damage increases to 3d8+6. A Medium or smaller creature struck by this attack must succeed at a DC 21 Reflex save or be automatically Shoved back 5 feet and knocked prone by the force of the blow.

Trample [>>>] Medium or smaller, foot, DC 18

Bestiary 2, page 228.