<Tr> <Th_colspan="2"> Conservation status </Th> </Tr> <Tr> <Td_colspan="2"> Extinct (2011) (IUCN 3.1) </Td> </Tr> <Tr> <Th_colspan="2"> Scientific classification </Th> </Tr> <Tr> <Td> Kingdom: </Td> <Td> Animalia </Td> </Tr>

When was the west african black rhino discovered