'Ark' Designed to Save Imperiled Amphibians
NEW YORK -- The 300 Kihansi spray toads residing in a small room at the Bronx Zoo chirp cheerily as they bask in a light sprinkling of water 14 times a day. Until a few years ago, the tiny, mustard-colored toads existed only in a river gorge in Tanzania. Now the survivors are confined to the Bronx...-
