IUCN Species of the Day: Burrowe’s Giant Glass Frog Posted on October 15, 2010 by wp_update-Ihxe6iko Photo credit: Tim Krynak The Burrowes’ Giant Glass Frog, Centrolene ballux, is listed as ‘CRITICALLY ENDANGERED’ on the IUCN Red List of Threatened SpeciesTM. It can be found in humid mountain forests in the Saloya River Valley in Continue Reading