One specialized purpose for certain breeds has been pest control—specifically, hunting mice and other small rodents. These dogs are typically small, quick, and possess a keen sense of smell ...

Take the latest discovery by scientists at Colossal Biosciences in Dallas, Texas, who recently bred “woolly mice.” How cool! Although not everyone is jazzed about the new breed of mice and it ...

Colossal Biosciences has revealed the world's first 'woolly mice', after engineering rodents to grow thick, warm coats using mammoth DNA. While they might not be scary enough to star in the next ...

Several dozen rats live together in colonies led by one dominant rat—the queen. As in some insect species, the queen is the only naked mole rat female to breed and bear young. Worker animals dig ...

In one county in England, these "super rats" have built up such resistance ... of pests that are poison-resistant. That generation breeds another more-resistant generation; eventually, the ...

Rats which are resistant have a selective advantage over other rats in the population – they will survive to breed, whereas those without the gene will not. This is known as survival of the fittest.