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How a rodent鈥檚 fear of cats shapes rainforests in Panama

As rodents called agoutis avoid areas where ocelots prowl, they spread fewer of the palm seeds they eat, which could lead to a cascade of changes in biodiversity throughout Panama鈥檚 forests

By Jake Buehler

8 March 2022

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An agouti gnawing on a palm seed

Steven Paton

A game of cat and mouse is playing out in Panama鈥檚 rainforests, with large rodents called agoutis using their keen sense of smell to avoid ocelots that hunt them. The fear the rodents have for these predators and the ways it directs their behaviour have ripple effects that could alter the diversity of plants around them.

Most research on this 鈥渆cology of fear鈥 has been centred on temperate ecosystems, says at the Smithsonian Tropical Research Institute in Panama City. To see how the phenomenon could play…

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