The giant rats sniffing out unexploded landmines in a war-torn nation - The rats are about the same size as a Chihuahua ...

African giant pouched rats have such a keen sense of smell, they are being used to detect landmines across Cambodia.

Rats may send some squealing, but in Cambodia, teams of the not-so-little critters have become indispensable in helping ...

Rats have become indispensable in helping specialists detect land mines that have killed and maimed thousands in Cambodia.

African rodent uses 'poison arrow' toxin to deter predators: First known mammal to use plant poison in defense Date: August 3, 2011 Source: Wildlife Conservation Society ...

Rodents have been one of the most common mammals in Africa for 50 million years. From deserts to rainforests, they flourished in prehistoric Africa, making them a plentiful food source.

African rodents invaded Brazil 41 million years ago Ancient tropical South American forests were teeming with little rodents, similar in size to today's rats and mice.

"There was rodent-on-rodent competition in Africa that these sweepstakes winners in South America didn't have to contend with," Croft said. "They were the only one of their kind." ...

Forty million years ago, rodents from Africa may have colonized South America by rafting or swimming across the Atlantic, Texas A&M University biologists theorize by studying the evolution of ...

Ancient tropical South American forests were teeming with little rodents, similar in size to today's rats and mice. Now researchers have found traces of what may have been among the first rodents ...

Rodents Have Been Infesting Americas for at Least 40 Million Years. In a literal walk through time along the Ucayali River near Contamana, Peru, a team of researchers found rodent fossils at least ...