A Panamanian golden frog (Atelopus zeteki) is seen at the El Nispero zoo in Valle de Anton, 124 km east of Panama City April 16, 2009. The Panamanian golden frog (Atelopus zeteki) is a critically endangered toad which is endemic to Panama. They inhabit tropical forest regions, particularly on mountains, near streams.[Xinhua/Alberto Aparicio]