<Table> Wisdom <Tr> <Td_colspan="2"> Wisdom with one of her chicks, in March 2011 </Td> </Tr> <Tr> <Th> Species </Th> <Td> Laysan albatross </Td> </Tr> <Tr> <Th> Sex </Th> <Td> Female </Td> </Tr> <Tr> <Th> </Th> <Td> c. 1951 </Td> </Tr> <Tr> <Th> Known for </Th> <Td> World's oldest wild bird; World's oldest banded bird </Td> </Tr> </Table> <Tr> <Td_colspan="2"> Wisdom with one of her chicks, in March 2011 </Td> </Tr>

How old is the oldest bird in the world
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