Mob Spawners:
Creeper:50
Skeleton:51
Spider:52
Zombie:54
Slime: 55
Ghast:56
PigZombie:57
Enderman:58
CaveSpider:59
Silverfish:60
Blaze:61
LavaSlime:62
EnderDragon:63
WitherBoss:64
Bat:65
Witch:66
Pig:90 (default)
Sheep:91
Cow:92
Chicken:93
Squid:94
Wolf:95
MushroomCow:96
SnowMan:97
Ozelot:98
VillagerGolem:99
EntityHorse:100
Villager:120