Pygmy hippopotamus population that freely breeds in zoos around the world. Between 1970 and 1991 the population of pygmy hippos born in captivity more than doubled. The survival of the species in zoos is more certain than the survival of the species in the wild. In captivity, the pygmy hippo lives from 42 to 55 years, longer than in the wild. Since 1919, only 41 percent of pygmy hippos born in zoos have been male. While the common hippopotamus was known to Europeans since classical antiquity, the pygmy hippopotamus was unknown outside its range in West Africa until the 19th century. Due
Pygmy goose end of a tarsometatarsus. It is only record of the genus in the New World. The genus "Nettapus" was erected by the German naturalist Johann Friedrich von Brandt in 1836. The word "Nettapus" is from the Ancient Greek "nētta" "duck" and "pous" "foot". It was thought that the type species, the African pygmy goose ("Nettapus auritus"), possessed the feet and body of a duck and the neck of a goose. There are three extant species in the genus: Pygmy geese have short bills, rounded heads and short legs. They nest in tree holes. Pygmy goose The pygmy geese are a