The world’s oldest known wild bird, 74, makes an annual pilgrimage to the Midway Atoll National Wildlife Refuge. But each year it seems less probable that Wisdom, who has outlived her species’ average lifespan by more than 30 years,

The world's oldest known wild bird has become a mother once again at the age of 74. Wisdom, a Laysan Albatross, laid her latest egg at the Midway Atoll National Wildlife Refuge, which is located in Hawaii.