Nowell, K.; Jackson, P., eds. (1996). "Panthera Onca". Wild Cats. Status Survey and Conservation Action Plan(PDF). Gland, Switzerland: IUCN/SSC Cat Specialist Group. IUCN. pp. 118–302. Archived(PDF) from the original on 2019-02-05. Retrieved 2015-09-07.
Nowell, K.; Jackson, P., eds. (1996). "Panthera Onca". Wild Cats. Status Survey and Conservation Action Plan(PDF). Gland, Switzerland: IUCN/SSC Cat Specialist Group. IUCN. pp. 118–302. Archived(PDF) from the original on 2019-02-05. Retrieved 2015-09-07.