Limosa harlequin frog (Atelopus limosus) baby on a U.S. quarter. Publicado el marzo 22, 2013 a 1024 × 683 en Rescue Project Successfully Breeds Endangered Frog Species Limosa harlequin frog (Atelopus limosus) baby on a U.S. quarter. (Photo by Brian Gratwicke, Smithsonian Conservation Biology Institute)