User:Orthotope/biomes

Data taken from MCP decompilation of Minecraft 1.2.5

Default animals: 30% sheep (weight 12), 25% pigs (weight 10), 25% chickens (weight 10), 20% cows (weight 8), each attempting to spawn in groups of 4

Default monsters: 19.6% each spiders, zombies, skeletons, creepers, slimes (weight 10), attempting to spawn in groups of 4; 2% endermen (weight 1), attempting to spawn in groups of 1-4


 * In (chunks containing?) nether fortresses, the monster spawn list is 43.5% blazes (weight 10) in groups of 2-3, 43.5% zombie pigmen (weight 10) in groups of 4, 13% magma cubes (weight 3) in groups of 4

Default water mob: 100% squid (weight 10), attempting to spawn in groups of 4