n medium animal 

Perception +8; low-light vision, scent (imprecise) 30 feet

Skills Athletics +7, Stealth +7

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

AC  18; Fort +9, Ref +7, Will +6

HP 34

Speed 25 feet, burrow 10 feet, climb 10 feet

Melee [>] jaws +11, Damage 1d8+5 piercing

Melee [>] claw +11 (agile), Damage 1d6+5 slashing

Pounce [>] The wolverine Strides and makes a Strike at the end of that movement. If the wolverine begins this action hidden, it remains hidden until after the attack.

Rend [>] (claw)

Wolverine Rage [>] (concentrate, emotion, mental) The wolverine enters a state of pure rage that lasts either for 1 minute, until there are no enemies it can perceive, or until it falls unconscious, whichever comes first. While raging, the wolverine has AC 17, its jaws Strike deals 1d8+7 damage, and its claw Strike deals 1d6+7 damage. While raging, the wolverine can't use actions that have the concentrate trait, except for Seek. After it's stopped raging, a wolverine can't use Wolverine Rage again for 1 minute.

Bestiary 2, page 295.