Its scientific name is Parachoerus wagneri, commondly known as Tagua or Pecarí chaqueño.
This species was described from fossil remains and was considered extinct until in the 1970s zoologist Ralph Wetzel found living individuals in the paraguayan chaco. In 1974 he published the article in Science called: "Catagonus, an "extinct" pecarry, live in Paraguay" (Science: Vol. 189. Pg: 379-381).
It is threatened (EN) according to the IUCN Red List of Endangered Species. In paraguay one of its mainr threats is the destruction of its habitat.
Population of the Paraguayan Dry Chaco was estimated at 5000 in 1990.