Fauna is all of the animal life of any particular region or time.
In Manhunt and Manhunt 2 the player can discover animals in most levels.
Manhunt
- Rats - can be spotted in the abandoned areas of Carcer City. Cash can stamp or shoot them.
- Crows - appear in the outdoor levels. These birds can be spotted flying or gathered around a dead hunter.
Manhunt 2
- Rat - a rat can be spotted in the underground Sewer System, when Danny tries to lose the Bloodhound Maverick in Most Wanted.
- Cat - inside the Project Laboratories.
- Dog - right next to the cat, the dog will bark when Danny enters the Veterinary Lab.
- Crows
- Cockroaches - these creatures appear in the levels Ritual Cleansing and Personality Clash. Both Leo and Danny can stamp them.
- Bats - Ritual Cleaning, they fly off from a sheet next to the second Cop.
- Monkeys - inside the Veterinary Lab.