Olive Ridley sea turtles come ashore to nest at Ostional National Wildlife Refuge in Costa Rica.
Olive Ridley sea turtles come ashore to nest at Ostional National Wildlife Refuge in Costa Rica. Vanessa Bézy, UNC-Chapel Hill
Olive Ridley sea turtles come ashore to nest at Ostional National Wildlife Refuge in Costa Rica. Vanessa Bézy, UNC-Chapel Hill

Drones are a new tool for Duke, UNC scientists. And they found oodles of sea turtles.

January 17, 2018 08:49 AM

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