adds various new Mobs to Minecraft
ingame information about mobs/items is provided through Patchouli (by Vazkii) download here
(not required but strongly recommended)
detailed information about the mobs / items can be found at the wiki click me
currently added mobs: Elephant, Giraffe, Lion, Shark, Penguin, Ostrich, Flamingo, Crab,
Mantaray, Raccoon, Owl, Ancient Blaze, Koala, Snail, Monkey, Nether Knight, Shroomie, Seahorse
if you have any questions about the mod, or you want a few insights about upcoming features:
feel free to join my 
link