A list of vanilla biomes where I intend to add mobs to, as well as how many are currently added:

• Tundra : 1 (Wintry Cicaptera)
• Mountains : 1 (Vrontausaurus)
• Taiga : 0
• Plains : 1 (Azure Cicaptera)
• Forest : 2 (Verdant Cicaptera, Dusk Lurker)
• Dark Forest : 1 (Dusk Lurker)
• Swamp : 1 (Yaga Hog)
• Jungle : 0
• River : 0
• Beach : 2 (Plumper, Krill)
• Mushroom Fields : 0
• The End : 0
• Desert : 2 (Sandy Cicaptera, Crimson Cicaptera)
• Savanna : 0
• The Nether : 0
• Ocean : 0