From Pathfinder Society Scenario #4-13: Within the Prairies, which isn't enabled.

Burrowing Viper Rat

CREATURE -1

Perception +5; low-light vision, scent (imprecise) 30 feet

Skills Acrobatics +6, Stealth +6

Str +0, Dex +3, Con +2, Int -4, Wis +2, Cha -2

AC 15; Fort +4, Ref +7, Will +4

HP 8

Speed 30 feet, swim 15 feet

Melee Jaws +7 (agile, finesse, unarmed), Damage 1d6 piercing plus Burrowing Viper Rat Venom

Burrowing Viper Rat Venom (poison)

Saving Throw DC 16 Fortitude

Maximum Duration 4 rounds

Stage 1 1d6 poison damage and Enfeebled 1 (1 round)

Stage 2 1d8 poison damage and Enfeebled 1 (1 round)

Pathfinder Society Scenario #4-13: Within the PrairiesOGL