Luciano Candisani / Jacare Caiman (Caiman yacare) in forest, Pantanal, Brazil

Luciano Candisani / Clouds reflected in flooded field at the end of the wet season, Pantanal, Brazil

Ingo Arndt / Sunrise at Iguacu Falls, largest waterfalls in the world, Iguacu National Park, Brazil

Luciano Candisani / Jacare Caiman (Caiman yacare) baby seen from below, Brazil

Luciano Candisani / Waterfall, Chapada dos Veadeiros National Park, Goias State, Brazil

Bence Mate / Grass fire at night in Pantanal, Brazil. WINNER: Eric Hosking Award portfolio image 5/6 - Wildlife Photographer of the Year 2010

Luciano Candisani / Jacare Caiman (Caiman yacare) with open mouth, Pantanal, Brazil

Thomas Marent / Two Sisters Waterfalls, Iguacu Falls National Park, Brazil

Pete Oxford / Red-crested Cardinal (Paroaria coronata) perched on branch, Pantanal, Brazil

Claus Meyer / Swallow-tailed Manakin (Chiroxiphia caudata) perching on moss covered branch, Atlantic Forest ecosystem, Brazil

Claus Meyer / Crimson-bellied Parakeet (Pyrrhura perlata) portrait, Amazon ecosystem, Brazil

Claus Meyer / Parrot Snake (Leptophis ahaetulla) with mouth open in defense display, Caatinga ecosystem, Brazil