What type of droppings indicate a rodent presence?

Fecal droppings are a clear and direct indicator of rodent presence in an area. Rodents, such as mice and rats, produce droppings that are typically small, dark, and cylindrical in shape, which can help in identifying their activity. These droppings can often be found in places where rodents nest or feed, such as along baseboards, in cabinets, or near food sources. Identifying these droppings is crucial for pest control, as it not only indicates that rodents are present but also helps in assessing the level of infestation.

In comparison, the other options refer to waste produced by different species or life stages that do not indicate rodent presence. Insect larva does not relate to rodent activity, and bird droppings are specific to avian species, while human waste relates to human activity rather than rodent infestation. Understanding the type of droppings associated with specific pests is essential for effective pest management and target treatment strategies.