Polka-Dot Tree Frog, BoliviaThe polka-dot tree frog is quite common in forest-edge and secondary-growth habitats and is often seen perched on broad leaves like this little guy, photographed in Madidi National Park in the Bolivian Amazon. Nikon D300 with Nikkor 70-200mm lens (at 200mm with Canon 500D close up filter) ISO 200, f/20 at 1/60th of a second, Nikon SB-800 flash.