Glass Frog Spawn on leaf, Sarapiqui, Costa Rica, Central America

Frog (Hyla sp.) stuck on glass window, Fazenda San Francisco, Miranda, Mato Grosso do Sul, Brazil, South America

Spiny glass frog over green leaf in rainforest of Costa Rica

Glass Frog (Cochranella midas), Tiputini Rainforest, Yasuni National Park, Ecuador, South America

High-rise buildings, BahnTower and Kollhoff-Tower from a worm's-eye view, Potsdamer Platz, Berlin, Germany, Europe

Glass frog (Sachatamia ilex) hangs on branch, Costa Rica, Central America

Green Treefrog (Hyla cinerea), adult sleeping on reed, Fennessey Ranch, Refugio, Coastal Bend, Texas Coast, USA

View upwards to a blue glass dome, one hand holds a glass ball in which the dome is reflected, Schirn Kunsthalle Frankfurt, Hesse, Germany, Europe

Emerald Glass Frog (Centrolene prosoblepon) climbing on ginger plant, Costa Rica

La Palma glass frog;Hyalinobatrachium valerioi) Adult with egg laying on a leaf, Costa Rica

Glass Frog, Monkeys Mountain French Guiana