Which of the following is NOT true about adult rat droppings?

Adult rat droppings typically have a consistent size and shape, which is generally small, capsule-shaped, and averages about 5/16 inch in length. This uniformity helps distinguish them from droppings of other rodents or animals.

In terms of health risks, rat droppings can indeed contain harmful pathogens, such as bacteria and viruses that can pose significant health threats to humans and animals. Additionally, their odor can attract other pests, as the scent signals food sources or nesting areas. Therefore, options discussing the size, health implications, and odors related to rat droppings reflect accurate information, emphasizing the risks and characteristics associated with them. The assertion that droppings vary greatly in size and shape contradicts the generally recognized characteristics of adult rat droppings, making it the statement that is not true.