Why should rodent tracking powders be used with caution?

Rodent tracking powders should be used with caution primarily because they may contaminate human food surfaces. This concern highlights the potential for these powders to inadvertently come into contact with areas where food is prepared or consumed. If tracking powders are not applied carefully or if they spread beyond the intended areas, they can pose a serious health risk to humans and pets if ingested. It is essential to follow safety guidelines to ensure that such products are used safely and effectively, minimizing the risk of contamination.

While other options relate to safety and environmental concerns, they do not address as directly the risk of human exposure. For instance, attracting other animals might imply unintended consequences but does not represent an immediate harm to humans. Similarly, although tracking powders could potentially harm birds or dissolve in water, these factors are less critical compared to the risk of direct contamination of food sources.