African giant pouched rats are being trained to combat wildlife smuggling by sniffing out illegal animal products like elephant tusks and rhino horns.
A new study by the Dutch foundation APOPO trained rats to detect hidden wildlife items.
They identified pangolin scales and endangered hardwood, even when mixed with strong-smelling objects.
Fitted with tiny backpacks, the rodents trigger microswitches to signal discoveries and receive tasty rewards of avocado and banana.
Known for detecting landmines and tuberculosis, these smart rats are now …