The world's oldest tracked bird, a 64-year-old albatross named Wisdom, is back on American soil and she's believed to be carrying an egg. After a year at sea, Wisdom was spotted on Nov. 19, 2015, among the dunes of the Midway Atoll National Wildlife Refuge. In the days following her arrival, wildlife managers observed Wisdom with her mate.
Last updated on 02 December 2015