Snake, Tiny Viper (CR 1/3)

Tiny Animal
Alignment: Always neutral
Initiative: +3 (Dex); Senses: scent, Listen +6, and Spot +6


AC: 17 (+2 size, +3 Dex, +2 natural), touch 15, flat-footed 14
Hit Dice: 1/4d8 (1 hp)
Fort +2, Ref +5, Will +1
Speed: 15 ft., climb 15 ft., swim 15 ft.
Space: 2 1/2 ft./0 ft.
Base Attack +0; Grapple -11
Attack: Bite +5 melee
Full Attack: Bite +5 melee
Damage: Bite 1 plus poison
Special Attacks/Actions: Poison
Abilities: Str 4, Dex 17, Con 11, Int 1, Wis 12, Cha 2
Special Qualities:
Feats: Improved Initiative; Weapon Finesse
Skills: +11, Balance, Climb +11, Hide +15, Listen +6, Spot +6, and Swim +5
Advancement: -
Climate/Terrain: Warm forest
Organization: Solitary
Treasure: None

Source: Monster Manual

Combat

Poison (Ex): Bite, Fortitude save (DC 11); initial and secondary damage 1d6 temporary Constitution.

Improved Initiative: +4 on Initiative checks