1. PanTHERIA: a species-level database of life history, ecology, and geography of extant and recently extinct mammals;KE Jones;Ecology,2009
2. Lowe S, Browne M, Boudjelas S, De Poorter M. 100 of the World’s Worst Invasive Alien Species: A selection from the Global Invasive Species Database. Published by The Invasive Species Specialist Group (ISSG) a specialist group of the Species Survival Commission (SSC) of the World Conservation Union (IUCN), 12pp. First published as special lift-out in Aliens. 2000;12.
3. Wild Pigs: Biology, Damage, Control Techniques and Management;JJ Mayer,2009
4. Ecological impacts of feral pigs in the Hawaiian Islands;SLG Nogueira-Filho;Biodivers Conserv,2009
5. Resource partitioning in sympatric populations of collared peccaries and feral hogs in southern Texas;LM Ilse;J Mammal,1995