Evolution has perfected the world’s sharks and rays for more than 420 million years. Unlike the ammonites or pterosaurs that they once shared the oceans with, sharks and rays persevered…

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The jaguar moves between patches of forest in the Mesoamerican Corridor across Central America. Meanwhile, the majestic Colombian Massif still serves as a refuge for the oncilla, while the puma…

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In Brazil’s Pantanal, the world’s largest tropical wetland, Paul Raad crouched in the undergrowth, scanning the ground for signs of jaguar activity. He wasn’t looking for the big cats themselves;…

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