The universe is populated with numerous intelligent species. A number of species known to Humanity are or were members or client races of the Covenant hegemony. Humanity itself remains independent in inter-species affairs.
There are many animals that have been mentioned in the Halo Universe. However, this list currently only features the animals created for the Halo Universe. To see all of the animals mentioned in the universe that includes real ones, see List of Animals.
|Animals on Human Worlds|
|Animals on Covenant Worlds|
|Animals on Forerunner Worlds/Installations|