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Costa Rica Science Programs

OTS offers intensive field courses for undergraduates, graduate students and natural resource professionals in tropical biology in Costa Rica and South Africa. These images were made at the La Selva and Las Cruces field stations in Costa Rica.

Organization for Tropical Studies (2017)

University of Washington graduate student Leith Miller frees a bat from a mist net in La Selva. She is studying the coevolution of fruit scents in piper plants and the diet of a genus of bats.
University of Washington graduate student Leith Miller holds a bat caught in a mist net in La Selva.
University of Washington graduate student Leith Miller holds a bat caught in a mist net in La Selva.
University of Washington graduate student Leith Miller releases a bat caught in a mist net in La Selva.
University of Washington graduate student Leith Miller releases a bat caught in a mist net in La Selva.
University of Washington graduate students Leith Miller and Ada Kaliszewska remove bats caught in a mist net in La Selva.
University of Washington graduate student Ada Kaliszewska releases a bat caught in a mist net in La Selva.
University of Washington graduate student Leith Miller keys a bat caught in a mist net in La Selva.
University of Washington graduate student Leith Miller holds a bat caught in a mist net in La Selva.
Laurel Yohe, a graduate student at Stonybrook University, holds a bat caught in a mist net in La Selva.
Leith Miller, Kalina Davies and Liliana Davalos work to untangle bats from a mist net in La Selva.
Laurel Yohe and Stephen Rossiter weigh and measure bats after a night of mist netting in La Selva.
Laurel Yohe and Stephen Rossiter weigh and measure bats after a night of mist netting in La Selva.
Stephen Rossiter measures a bat after a night of mist netting in La Selva.
Reyder Mesen feeds larval beetles and measures the impact of an increase in temperature on growth rates in a La Selva lab.
Reyder Mesen feeds larval beetles and measures the impact of an increase in temperature on growth rates in a La Selva lab.
Reyder Mesen feeds larval beetles and measures the impact of an increase in temperature on growth rates in a La Selva lab.
Technicians Melissa Sanchez, Reyder Mesen and Gabriel Huertos Reyes feed larval beetles and measure the impact of an increase in temperature on growth rates in a La Selva lab.
REU students make final changes to their research papers after nine weeks at La Selva. During the paid summer internship students complete an original research project working closely with mentor scientists.
Ana Grace Alvarado makes revisions to her final research paper after 9 weeks with the Research Experience for Undergraduates at La Selva. During the paid nine week summer internship, students complete an original research project working closely with mentor scientists.
Field technician Diego Dierick downloads soil biogeochemsitry data at La Selva. The research examines how leaf cutter ants work as ecosystem engineers and shape carbon sinks.
Field technician Diego Dierick downloads soil biogeochemsitry data at La Selva. The research examines how leaf cutter ants work as ecosystem engineers and shape carbon sinks.
Sofia Prado-Irwin, a PhD student from Harvard, measures the diameter of a tree in the La Selva forest. She is studying how ecological processes are different between islands and mainland forests using the lemur anole.
Sofia Prado-Irwin, a PhD student from Harvard, installs a thermal data logger in the La Selva forest. She is studying how ecological processes are different between islands and mainland forests using the lemur anole.
Sofia Prado-Irwin, a PhD student from Harvard, flags a thermal data logger she installed in the La Selva forest. She is studying how ecological processes are different between islands and mainland forests using the lemur anole.
Sofia Prado-Irwin, a PhD student from Harvard, catches a lemur anole in the La Selva arboretum. She is studying how ecological processes are different between islands and mainland forests.
Sofia Prado-Irwin, a PhD student from Harvard, holds a lemur anole in the La Selva arboretum. She is studying how ecological processes are different between islands and mainland forests.
Sofia Prado-Irwin, a PhD student from Harvard, holds a lemur anole in the La Selva arboretum. She is studying how ecological processes are different between islands and mainland forests.
La Selva field technician Bernal Paniagua checks these seed traps every month. His work is part of the Bosques Project, now in its 20th year.
La Selva field technician Bernal Paniagua checks these seed traps every month. His work is part of the Bosques Project, now in its 20th year.
La Selva field technician Bernal Paniagua checks these seed traps every month. His work is part of the Bosques Project, now in its 20th year.
La Selva field technician Bernal Paniagua checks these seed traps every month. His work is part of the Bosques Project, now in its 20th year.
La Selva field technician Bernal Paniagua measure the diameter of a tree in one of the Bosques Plots.
Students from a local school in Piedra Pintada go birding with naturalist Jason Fagueroa at Las Cruces. Their visit is facilitated by the San Vito Bird Club, which has hosted a dozen schools a year for the last five years.
Ashley Dilana and other students look for birds in the Wilson Garden at Las Cruces. Their visit is facilitated by the San Vito Bird Club, which has hosted a dozen schools a year for the last five years.
Students from a nearby school in Piedra Pintada go birding in the Wilson Garden at Las Cruces. Their visit is facilitated by the San Vito Bird Club, which has hosted a dozen schools a year for the last five years.
Students from a local school in Piedra Pintada go birding in the Wilson Garden at Las Cruces. Their visit is facilitated by the San Vito Bird Club, which has hosted a dozen schools a year for the last five years.
Students from a nearby school in Piedra Pintada go birding in the Wilson Garden at Las Cruces. Their visit is facilitated by the San Vito Bird Club, which has hosted a dozen schools a year for the last five years.
Andy Kulikowski and Ana Rubio, students at UC Santa Cruz, classify ants in the lab at Las Cruces. They're studying how land deforestation and restoration affects the ecological dominance of different ant species.
Andy Kulikowski and Ana Rubio, students at UC Santa Cruz, classify ants in the lab at Las Cruces. They're studying how land deforestation and restoration affects the ecological dominance of different ant species.
Andy Kulikowski, a student at UC Santa Cruz, classifies ants in the lab at Las Cruces. He's studying how land deforestation and restoration affects the ecological dominance of different ant species.
Andy Kulikowski, a student at UC Santa Cruz, classifies ants in the lab at Las Cruces. He's studying how land deforestation and restoration affects the ecological dominance of different ant species.
Andy Kulikowski and Ana Rubio, students at UC Santa Cruz, classify ants in the lab at Las Cruces. They're studying how land deforestation and restoration affects the ecological dominance of different ant species.
Las Cruces environmental educator Carla Azofeifa visits Escuela Federico Gutierez Braun to help fifth-graders plant an edible schoolyard.
Fifth-grade students at Escuela Federico Gutierez turn grass into an edible schoolyard with help from OTS educators.
Las Cruces environmental educator Carla Azofeifa helps fifth-graders at Escuela Federico Gutierez Braun plant an edible schoolyard.
Las Cruces environmental educator Carla Azofeifa helps fifth-graders at Escuela Federico Gutierez Braun plant an edible schoolyard.
Fifth-grade students at Escuela Federico Gutierez plant an edible schoolyard at their school near Las Cruces.
Fifth-grade students at Escuela Federico Gutierez plant an edible schoolyard at their school near Las Cruces.
Las Cruces environmental educator Carla Azofeifa helps fifth-graders at Escuela Federico Gutierez Braun plant an edible schoolyard.
Las Cruces environmental educator Carla Azofeifa helps fifth-graders at Escuela Federico Gutierez Braun sort and weigh different types of garbage from their classroom.
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