In their quest to identify the pollinator of the ghost orchid for the first time, this team of conservation photographers and scientists spent three summers standing waist-deep in alligator- and snake-laden water, swatting air blackened by mosquitoes, and climbing to sometimes nausea-inducing heights.

Iberá National Park in northeastern Argentina is part of one of the largest wetlands in South America, but much of its wildlife went extinct in the 20th century due to widespread hunting and habitat loss.