Some well-known reintroduction projects involving zoo-born animals: * European bison in Poland and Byelorussia
* American bison in the US and Canada
* Alpine ibex in various Alpine countries
* Arabian oryx in Oman
* Przewalski's horse in Mongolia
* Pere David's deer in China
* Golden lion tamarin in Brazil
* Black-footed ferret in the US
* Hawaiian goose in Hawaii
* Mauritius kestrel in Mauritius
* Californian condor in the US
* Eagle owl in various European countries
* Bali mynah in Bali
* Mallorcan midwife toad in Mallorca
* Red wolf in the US