n large animal 

Perception +9; low-light vision, scent (imprecise) 30 feet

Skills Athletics +12, Stealth +11

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

AC  21; Fort +13, Ref +11, Will +9

HP 65

Speed 25 feet, climb 10 feet

Melee [>] jaws +12, Damage 2d6+8 piercing plus Grab

Melee [>] claw +12 (agile), Damage 2d4+8 slashing

Gnaw [>] Requirements The wolverine has a creature grabbed from its jaws Strike; Effect The wolverine chews violently on the creature, dealing 2d6 piercing damage (DC 21 basic Fortitude save). A creature that fails its save also takes 2d6 persistent bleed damage.

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 [>] The giant 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 giant wolverine has AC 20, its jaws Strike deals 2d6+11 damage, and its claw Strike deals 2d4+11 damage. While raging, the giant wolverine can't use actions that have the concentrate trait, except for Seek. After it's stopped raging, a giant wolverine can't use Wolverine Rage again for 1 minute.

Bestiary 2, page 295.