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
East Brazilian pygmy owl East Brazilian pygmy owl The East Brazilian pygmy owl ("Glaucidium minutissimum"), also known as least pygmy-owl or Sick's pygmy-owl, is a small owl in the typical owl family. It has been argued that the here used scientific name actually belongs to the Pernambuco pygmy owl, in which case the East Brazilian pygmy owl should be referred to "G. sicki" (König & Weick, 2005). This has not gained widespread recognition. Formerly, this species included the Colima pygmy owl, Tamaulipas pygmy owl, Central American pygmy owl, subtropical pygmy owl, and Baja pygmy owl as subspecies. This species has a very large range.