Koroblin world is home to a mix of creatures and plants both familiar and bazaar to those of us from earth. Most notable is that no monkeys, apes, or any primates exist or have ever existed in Koroblin world. Most humanoids have evolved from raccoons rather then a primate.

In our world we separate animals into groups like Mammal, Avain, and Reptile. But in Koroblin world their are two main ways of categorizing animals. Domestic animals are categorized by what they do, For sample a farm animal is categorized by what they are farmed for. While for sample the group of animals called horses dose not mean they are a equine but rather that they have been domesticed to ride. Wild animals on the other hand are categorized by what they eat.