Animal behavior researchers have released incredible video of pint-sized Capuchin monkeys using stone tools to forage for their food in 's Ubajara National Park.
The team recorded 214 cases in total, capturing the creatures' attempts to dig out food, like 'trapdoor' spiders, from the arachnids' nests underground.
Researchers then split these cases into four methods, 'hands-only' digging, 'stone-digging,' 'stick-probing,' and hybrid 'stone-stick' use — discovering that the monkeys changed up their habits based on seasonal weather and the right tools for the job.
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