Size/Type: Tiny Animal
Hit Dice: 1d8 (4 hp)
Initiative: +2
Speed: 30 ft. (6 squares), climb 30 ft.
Armor Class: 14 (+2 size, +2 Dex), touch 14, flat-footed 12
Base Attack/Grapple: +0/-12
Attack: Bite +4 melee (1d3-4)
Full Attack: Bite +4 melee (1d3-4)
Space/Reach: 2½ ft./0 ft.
Special Attacks: —
Special Qualities: Low-light vision
Saves: Fort +2, Ref +4, Will +1
Abilities: Str 3, Dex 15, Con 10, Int 2, Wis 12, Cha 5
Skills: Balance +12, Climb +10, Escape Artist +4, Hide +10, Listen +3, Spot +3
Feats: Agile, Weapon FinesseB
Environment: Warm Forests
Organization: Troop (10-40)
Challenge Rating: 1/6
Alignment: Always Neutral
Advancement: 2-3 HD (Small)
Level Adjustment: -
The statistics presented here can describe any arboreal monkey that is no bigger than a housecat, such as a colobus or capuchin.
Combat
Monkeys generally flee into the safety of the trees, but if cornered can fight ferociously.
Skills: Monkeys have a +8 racial bonus on Balance and Climb checks. They can always choose to take 10 on Climb checks, even if rushed or threatened. They use their Dexterity modifier instead of their Strength modifier for Climb checks.
Source: Monster Manual 1
Small Sized Monkey
Size/Type: Small Animal
Hit Dice: 3d8+3 (15 hp)
Initiative: +2
Speed: 30 ft. (6 squares), climb 30 ft.
Armor Class: 14 (+1 size, +1 Dex, +2 Natural), touch 12, flat-footed 13
Base Attack/Grapple: +2/-8
Attack: Bite +4 melee (1d4-2)
Full Attack: Bite +4 melee (1d4-2)
Space/Reach: 5 ft./5 ft.
Special Attacks: —
Special Qualities: Low-light vision
Saves: Fort +4, Ref +4, Will +1
Abilities: Str 7, Dex 13, Con 12, Int 2, Wis 12, Cha 5
Skills: Balance +11, Climb +16, Escape Artist +3, Hide +9, Listen +3, Spot +3
Feats: Agile, Weapon FinesseB, Weapon Focus (Bite)
Environment: Warm Forests
Organization: Troop (10-40)
Challenge Rating: 1
Advancement: Always Neutral
Level Adjustment: 2-3 HD (Small)
Source: Monkey from MM1, Improved Hit Dice calculated by Me (Tukadian).