n tiny animal 

Perception +11; low-light vision, scent (imprecise) 30 feet

Skills Acrobatics +8 (+10 to Escape), Athletics +5 (+7 to High Jump or Long Jump), Stealth +10, Survival +9

Str -1 Dex +4 Con +1 Int -4 Wis +3 Cha +0

AC  21; Fort +7, Ref +10, Will +7

HP 25

Fade Away [R] Trigger A creature within 30 feet that the fading fox is aware of either moves toward the fox or targets it with an ability; Requirements The fading fox is in natural surroundings; Effect The fading fox Hides. If its Stealth check result meets or exceeds the triggering creature's Perception DC, the fading fox is hidden to that creature. The fading fox can use this reaction even if it is being observed.

Speed 35 feet

Melee [>] jaws +10 (agile, finesse), Damage 1d6+1 piercing

Leaping Pounce [>] The red fox either Strides or Leaps up to its Speed and makes a Strike at the end of that movement. If the fox began this action hidden, it remains hidden until after this ability's Strike.

Sneak Attack The fading fox deals an additional 1d6 precision damage to flatfooted creatures.

Trackless Step The fading fox always gains the benefits of Cover Tracks in natural surroundings, even while moving at full Speed.

Vanish into the Wilds [>>] Requirements The fading fox is in natural surroundings; Effect The fading fox Steps, then Hides, then Sneaks. It can take this Step into natural difficult terrain and can Hide in this way even if it is being observed.

Bestiary 3, page 102.