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End of a busy day
Undergraduates from Duke and other universities worldwide who are studying tropical biology take a sunset pause at a lookout near the Palo Verde Biological Station of the Organization for Tropical Studies in Costa Rica.

OTS -- a Duke-based consortium of 65 universities and research institutions -- provides research and education in tropical biology and ecology, and fosters policy initiatives in tropical conservation.

"Postcards from Costa Rica" commemorates the organization's 40th anniversary. A full-length article on how its researchers and policymakers are helping to conserve tropical forests will appear in an upcoming issue of Duke Magazine.

University Photography photo by Chris Hildreth