Share Forest officers look on during the release into the wild of four captive-bred pygmy hogs, an endangered species and the world’s rarest and smallest wild pigs, at Manas National Park. AFP Conservationists release world’s smallest hog into the wild Mon, 28 June 2021 A dozen of the world’s smallest pigs have been released into the wild in northeastern India as part of a conservation programme to boost the population of a species once thought to have become extinct. The pygmy hog, which has the scientific name porcula salvania, lives in tall, wet grasslands and was once found along plains on the Himalayan foothills in India, Nepal and Bhutan.