Pygmy hippopotamus Conservation Union estimates that fewer than 3,000 pygmy hippos remain in the wild. Pygmy hippos are primarily threatened by loss of habitat, as forests are logged and converted to farm land, and are also vulnerable to poaching, hunting for bushmeat, natural predators, and war. Pygmy hippos are among the species illegally hunted for food in Liberia. Nomenclature of the pygmy hippopotamus reflects that of the hippopotamus. The plural form is pygmy hippopotami ("hippopotamuses" is also accepted as a plural form by the OED, or "pygmy hippos" for short). A male pygmy hippopotamus is known as a "bull", a female as
Chacoan pygmy opossum Chacoan pygmy opossum The Chacoan pygmy opossum ("Chacodelphys formosa") is a recently described genus and species of didelphimorph marsupial. The only species in Chacodelphys, "C. formosa", was known until 2004 from only one specimen collected in 1920 in the Chaco of Formosa Province, Argentina. The species is gaining popularity as a pocket pet. The Chacoan pygmy opossum is the smallest known species of didelphid. It has a head-body length of 68 mm, a tail of 55 mm and a hind foot of 11. It differs from the other "marmosine" genera ("Marmosa", "Monodelphis", "Thylamys", "Tlacuatzin", "Gracilinanus", "Marmosops", "Lestodelphys") in having a