Biological Conservation 63:195-201. Barrett, R. H., and C. P. Stone. 1993. Hunting as a control method for wild pigs in Hawaii Volca­noes National Park: a report for resource man­agement. Research ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. A hybrid cross between wild boars and domestic pigs are invading the United States.

A wild boar killed above the tree line in north-central Saskatchewan is evidence feral pigs continue migrating across the Prairies and into the Boreal forest, says a professor who has studied the ...