Entities

Chickens

Stormy Chicken
    AI: Same AI behavior as normal chicken
    Default Biomes: Plains, Mountains, Gravelly Mountains, Taiga and variants.

Midnight Chicken
    AI: Same AI behavior as normal chicken
    Default Biomes: Forest, Dark Forest, Jungle, Birch Forest and variants.

Amber Chicken

    AI: Same AI behavior as normal chicken
    Default Biomes: Desert, Savanna and variants

Cluckshroom
    AI: Similar to chicken, they prefer dark places and place a red mushroom while walking. On death they have a chance to drop a red mushroom
    Default Biomes: Mushroom Fields and variants.

Cows

Ashen Cow
    AI: Same AI behavior as normal cow
    Default Biomes: Mountains, Gravelly Mountains and variants.

Moobloom
    AI: Similar to cow, they place Dandelion while walking. Can be sheared to obtain 5 Dandelions. Sheared Moblooms convert to normal Cow.
    Default Biomes: Flower Forest

Sunset Cow
    AI: Same AI behavior as normal cow
    Default Biomes: Savanna and variants

Wooly Cow
    AI: Similar to cow, this mob can be sheared to obtain Brown Wool. Shearing work same as sheep and need to eat grass for the wool to grow again
    Default Biomes: Taiga and variants

Albino Cow
    AI: Same AI behavior as normal cow

Pigs

Spotted Pig
    AI: Same AI behavior as normal pig
    Default Biomes: Swamp and variants

Pink Footed Pig
    AI: Same AI behavior as normal pig
    Default Biomes: Plains, Mountains and variants.

Piebald Pig
    AI: Same AI behavior as normal pig
    Default Biomes: Plains, Forest, Birch Forest, Mountains, Taiga, Savanna and variants.

Pale Pig
    AI: Same AI behavior as normal pig
    Default Biomes: Snowy Tundra, Snowy Taiga and variants.

Muddy Pig
    AI: Similar to pig, it look for mud if is in dry state.
    Default Biomes: Plains, Mountains, River and variants
    Extra: Have dried and muddy state.

Sheeps

Rocky Sheep
    AI: Same AI behavior as normal sheep. Have no variant colors. Can be sheared for Grey Wool.
    Default Biomes: Plains, Mountains, Gravelly Mountains and variants.

Flecked Sheep
    AI: Same AI behavior as normal sheep. Have no variant colors. Can be sheared for Brown Wool.
    Default Biomes: Plains, Mountains, Taiga, Gravelly Mountains, Forest and variants.

Inky Sheep
    AI: Same AI behavior as normal sheep. Have no variant colors. Can be sheared for Black Wool.
    Default Biomes: Plains, Mountains, Taiga, Gravelly Mountains, Birch Forest, Dark Forest and variants.

Horned Sheep
    AI: Similar AI as normal sheep. If hurted the entity attack the player. Can be sheared and have multiple colors. If killed when have wool it drop an Horn.
    Default Biomes: Plains, Mountains, Gravelly Mountains and variants.

Rainbow Sheep
    AI: Same AI behavior as normal sheep. Have no variant colors. Can be sheared for Rainbow Wool.
    Default Biomes: Plains, Forest and variants.

Rabbits

Vested Rabbit
    AI: Same AI as normal rabbit
    Default Biomes: Plains.

Harelequin Rabbit
    AI: Same AI as normal rabbit
    Default Biomes: Plains.

Mud Foot Rabbit
    AI: Same AI as normal rabbit
    Default Biomes: Plains.

Jumbo Rabbit
    AI: Same AI as normal rabbit... but bigger.
    Default Biomes: Plains.

Golems

Furnace Golem
    AI: Similar AI as Iron Golem. When attack the texture change and can set ground on fire. Don't attack Tropical Slime
    Default Biomes: Desert and variants. 
    Extra: Can be built like Iron Golem, use a Blast Furnace for the central block instead of Iron Block.

Melon Golem
    AI: Similar AI as Snow Golem. It shoot melon seeds instead of snowballs.
    Default Biomes: Plains. 
    Extra: Can be built like Snow Golem, use a Carved Melon or Melon Lantern for the head.

Slimes

Tropical Slime
    AI: Neutral mob. Don'attack the player if not hurted.
    Default Biomes: Beach
    Notes: This entity have an animated texture

Squids

Glow Squid
    AI: Same AI behavior as normal squid
    Default Biomes: Ocean and variants
    Notes: Has glowing layer

Wolf

Skeleton Wolf
    AI: Aggressive mob. Behavior similar to skeletons. Use melee attack instead of ranged. Burn under the sunlight, look for shelter if under the sunlight, drop 2 bones on death.
    Damage: 4
    Default Biomes: Forest, Taiga and variants

Spiders

Bone Spider
    AI: Aggressive mob. Shoot Bone Shards at player. 
    Default Biomes: Badlands.

Llamas

Jolly Llama
    AI:Similar to Llama. It cannot have a chest or a carpet.
    Default Biomes: Snowy Tundra, Snowy Taiga, Snowy Beach and variants