Christian Ziegler / Red-eyed Tree Frog (Agalychnis callidryas) being consumed by Foam-nest Frog (Leptodactylus sp), Soberania National Park, Panama

Michael & Patricia Fogden / Grey Tree Frog (Chiromantis xerampelina) group foam nesting over seasonal pond, South Africa

Christian Ziegler / Foam-nest Frog (Leptodactylus sp) feeding on a Red-eyed Tree Frog (Agalychnis callidryas) at a mating pond, Soberania National Park, Panama

Michael & Patricia Fogden / Smokey Jungle Frog (Leptodactylus pentadactylus) tadpoles eating eggs of Tarraco Treefrog (Smilisca phaeota) in rainforest, Costa Rica