n small beast 

Perception +17; low-light vision

Skills Acrobatics +12, Athletics +15, Stealth +16

Str +5 Dex +4 Con +3 Int -3 Wis +3 Cha +1

AC  24; Fort +13, Ref +16, Will +11

HP 75

Snatch Skull [R] Trigger The skull peeler is using Perfect Camouflage and a creature moves into a space within 15 feet of it; Effect The skull peeler Leaps toward the triggering creature and Strikes with its tongue. If this Strike is successful, the skull peeler automatically Grabs the target with its tongue.

Speed 20 feet, climb 15 feet, fly 10 feet

Melee [>] tongue +17 (agile, fatal d12, reach 10 feet), Damage 2d4+8 slashing plus 1d8 persistent bleed

Melee [>] claw +17, Damage 2d10+8 slashing

Anticoagulant The skull peeler's razor-sharp tongue is coated in an anticoagulant substance that makes wounds it inflicts particularly hard to close. The DC of the flat check to end the persistent bleed damage from a skull peeler's tongue is 16, or 11 with appropriate assistance.

Perfect Camouflage [>] (concentrate) Requirements The skull peeler is in a treetop or standing on a tree limb; Effect Until the next time it acts, the skull peeler hangs perfectly still, blending into the treetop surroundings. It has an automatic result of 36 on Stealth checks and DCs to Hide from any creature more than 10 feet away from it.

Bestiary 3, page 243.