From Pathfinder #158: Sixty Feet Under, which isn't enabled.

Giant Bone Skipper

CREATURE 7

Perception +17; darkvision; bonesense (imprecise) 30 feet

Skills Acrobatics +19, Athletics +15, Stealth +15

Str +4, Dex +6, Con +4, Int -5, Wis +2, Cha -5

Bonesense (Imprecise) 30 feet

A giant bone skipper identifies bones and creatures with a skeletal system in the listed range.

AC 25; Fort +15, Ref +17, Will +15

HP 115

Speed 25 feet, fly 40 feet

Melee Mandibles +18, Damage 2d10+6 piercing plus Marrow Rot

Leaping Charge

The giant bone skipper Leaps up to 20 feet. It then makes a mandibles Strike, gaining a +1 circumstance bonus to its attack roll.

Marrow Rot

Marrow rot affects only creatures with a skeletal system

Saving Throw DC 25 Fortitude

Onset 1 day

Stage 1 Enfeebled 1 (1 day)

Stage 2 Enfeebled 2 (1 day)

Stage 3 Enfeebled 2 and Drained 1 (1 day)

Pathfinder #158: Sixty Feet UnderOGL