A heroic rat named Magawa has been working for five years in Cambodia, sniffing out dozens of land mines. He is believed to have saved lives.
Now, the animal is about to embark on a well-deserved retirement.
"Although still in good health, he has reached a retirement age and is clearly starting to slow down," the nonprofit APOPO said Thursday. "It is time."
Magawa is a Tanzanian-born African giant pouched rat who was trained by APOPO to sniff out explosives. With careful training, he and his rat colleagues learn to identify land mines and alert their human handlers, so the mines can be safely removed.
Even among his skilled cohorts working in Cambodia, Magawa is a standout sniffer: In four years he has helped to clear more than 2.4 million square feet of land. In the process, he has found 71 land mines and 38 items of unexploded ordnance.
Last year, Magawa received one of Britain's highest animal honors.
In a virtual ceremony, the U.K. charity PDSA gave Magawa its gold medal for his lifesaving work.
"This is the very first time in our 77-year history of honoring animals that we will have presented a medal to a rat," PDSA Chair John Smith said during the proceedings.
With mixed feelings, we announce that PDSA Gold-medalist Magawa will be retiring this month. Although still in good health, he has reached a retirement age and is clearly starting to slow down. It is time.
Thanks so much for supporting him!
— APOPO (@HeroRATs) June 4, 2021
Read more: https://t.co/so4e79BXeT pic.twitter.com/ZiFjWGGY5E
The group started giving out medals during World War II to recognize animals for gallantry in the face of conflict. Previous honorees have included dogs, pigeons, horses and a cat.
Magawa's medal is perfectly rat-sized and fits onto his work harness.
Christophe Cox, APOPO's CEO and co-founder, said the organization began exploring new explosive-detection techniques after an analysis found that land mine detection was "the most expensive and tedious part of the problem."
"That's why we came up with the idea of using rats, because rats are fast. They can screen an area of 200 square meters in half an hour – something which would take a manual deminer four days," Cox said at the virtual ceremony.
Magawa is part of a cohort of rats bred by APOPO for this purpose. He was born in Tanzania in 2014, socialized and moved to Siem Reap, Cambodia, in 2016 to begin his bomb-sniffing career.
APOPO uses positive reinforcement methods that give the rats food rewards for accomplishing tasks such as finding a target or walking across a surface. Then they're trained in scent discrimination: choosing explosive smells over something else to get a food reward.
Magawa with his handler, Malen. The nonprofit APOPO uses positive reinforcement methods to train the rats. APOPO
Though they have terrible eyesight, the rats are ideal for such work, with their extraordinary sense of smell and their size – they are too light to trigger the mines. When they detect a mine, they lightly scratch atop it, signaling to their handler what they've found.
Their reward: a banana.
Cox said the rats hone their skills in a training field and are only cleared to begin work once they have perfect accuracy over an 8,600-square-foot area with various stages of complexity.
"We really trust our rats, because very often after clearing a minefield, our teams will play a game of soccer on the cleared field to assure the quality of our work," he said.
Cox said the rats have freed more than 1 million people from the terror of living with land mines.
On weekends, the rats get special feast meals. And once their skills wane, they go to a rat retirement home where they get food and play for the rest of their days.
Cox said last year he hopes the PDSA award will bring more attention to the cause to which Magawa and his human colleagues are devoted. "We hope we can solve the land mine problem in the next five to 10 years. But it needs the engagement and the support of the wider public."
Editor's note: Parts of this story were originally published in September 2020 and have been updated.
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