The fauna of Guyana comprises all the animal species inhabiting the country of Guyana, which is part of the neotropical realm. Guyana has many endemic species and one of the highest biodiversity rates in the world as a result of the majority of the country being part of the Amazon rainforest, and as a result a large amount of the species being types of frogs or spiders.[2] Guyana's has three distinct main biomes are tropical rainforests, wetlands, and savannas,[3] and each biome has unique fauna associated.
There are 47,677 unique species classified as part of Guyana, of which 17,291 (36.27%) are classified as an endangered species.[4][5] As part of conservation efforts, parts of Guyana have been designated as national parks.[6]