Introduces the intelligence, great sense of smell, and digging skills of pigs, and explains that pigs can be trained not only to find truffles but also to locate dangerous land mines.
Introduces the beagle, a type of dog known as a scent hound because of its great sense of smell, and explains that beagles and dogs like them, besides being hunting dogs and pets, can be trained to find bedbugs in dark places by their smell.
Introduces detection rats, most of which are African pouched rats, the largest rat in the world, and explains that rats can be trained to find land mines and dangerous diseases.