Kazakhstan has released a second Siberian tiger into the wild, Al Jazeera English reported. The newly released tiger is a male named Amur, the outlet said. It was released into a nature reserve in Kazakhstan, according to Al Jazeera English. The name and location of the reserve, the date of the release, and the tiger's origin and age are not yet known. Details of the first release and the wider reintroduction programme, and who carried out or announced the release, are also not yet known.