Predators of the gray brocket include ocelots, jaguars and pumas, in addition to some larger raptors. Domestic dogs are also a predator. These deer are taken by local hunters for food. (Stallings, 1986; Whitehead, 1972)
- Stallings, J. 1986. Notes on the reporductive biology of the grey brocket deer (Mazama gouazoubira) in Paraguay. Journal of Mammalogy, 67: 175-176.
- Whitehead, G. 1972. Deer of the World. London: Constable.