Alex Hyde / Madagascar reed frog {Heterixalus madagascariensis} in front of waterfall, montane rainforest. Andasibe-Mantadia NP, Eastern Madagascar.

Tim Laman / Long-nosed Frog (Litoria pinocchio) in profile. Foja Mountains, Papua, Indonesia, 2008. (taken during Conservation International Rapid Assessment Program expedition)

Tim Laman / Long-nosed Frog (Litoria pinocchio) in profile. Foja Mountains, Papua, Indonesia, 2008. (taken during Conservation International Rapid Assessment Program expedition)

Tim Laman / Long-nosed Frog (Litoria pinocchio) in profile. Foja Mountains, Papua, Indonesia, 2008. (taken during Conservation International Rapid Assessment Program expedition)

Kevin Schafer / Waterfall / Torrent Treefrog (Litoria nannotis), Wild frog in waterfall spray, ENDANGERED, Atheron Tablelands, Queensland - Threatened frog is adapted to life in falling water and slippery rocks.

Kevin Schafer / Torrent Treefrog (Litoria nannotis) in waterfall spray, Atherton Tableland, Queensland, Australia

MORLEY READ / Quito Rocket Frog or Waterfall Rocket Frog (Colostethus jacobuspetersi), Quito, Ecuador. Critically endangered, possibly extinct. 1997.

MORLEY READ / Close-up of Quito Rocket Frog or Waterfall Rocket Frog (Colostethus jacobuspetersi), Quito, Ecuador. Critically endangered, possibly extinct. 1997.

MORLEY READ / Quito Rocket Frog or Waterfall Rocket Frog (Colostethus jacobuspetersi), Quito, Ecuador. Critically endangered, possibly extinct. 1997.

MORLEY READ / Quito Rocket Frog or Waterfall Rocket Frog (Colostethus jacobuspetersi), Quito, Ecuador. Critically endangered, possibly extinct. 1997.

MORLEY READ / Quito Rocket Frog or Waterfall Rocket Frog (Colostethus jacobuspetersi), Quito, Ecuador. Critically endangered, possibly extinct. 1997.

MORLEY READ / Quito Rocket Frog or Waterfall Rocket Frog (Colostethus jacobuspetersi), Quito, Ecuador. Critically endangered, possibly extinct. 1997.

Pete Oxford / Large frog sitting on rock in front of Acaba Vida waterfall nr Barreiras NE Brazil