article: Feral
links: Melanesia Brumby Tasmania Cattle Rose-ringed Parakeet Przewalski's Horse Dog Invasive species Monk Parakeet Nevada Ice Age Western honey bee Polynesia United States Wyoming Australia Aurochs Scotland American West Water buffalo Captivity (animal) Domestication Red Junglefowl North America New Zealand Mexico Sheep Rock dove Portugal Africanized bee New Guinea Horse