Lazarus, the amphibian

Missing for more than a decade and feared to be extinct, a painted frog has resurfaced. At least one population of the subspecies Atelopus ebenoides marinkellei remains in a remote desert highland of Colombia, researchers discovered last month.

Rocha

In an amphibian-biodiversity survey, team leader Carlos A. Rocha of the Pedagogical and Technological University of Colombia in Boyacá found the 3-to-9-centimeter-long frogs in the same locale where they were last spotted in 1995.