Fossil skeletons found in lava tubes on the island, though, show that the nene was not originally alone.

ECONOMIST: Feathers are flying in the world of bird classification

"The terrain where we were working was really dramatic, with all kinds of lava tubes and crevices, " said Phoenix business-development manager Pete LeHardy in Largo, Md.

WSJ: Sonar Image Renews Hope of Locating Earhart Plane