Generally, rats are larger than mice, although specific sizes can vary by species. For instance, brown rats (Norway rats) are relatively large, with bodies measuring between 7 to 10 inches (17.78 ...

The pinnae of mice and rats are generally large enough to punch/notch after 2 weeks of age. Figure 2: (a) Ear punching/notching is a semi-permanent to permanent rodent identification method.

Rats and mice might be spotted in the day depending on human activity but they can also be seen exploring at night.

While rats and mice might be unwanted pests, you may still spot them around your garden or even inside your home. Whether you’re trying to identify them or you simply want to know what they’re ...

Rats and mice have been living with humans for centuries — and humans have been working for just as long to keep them at bay. These animals sometimes contribute to public health risks and problems in ...