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Mystery Brown Pellets in Basement: Scat Identification Needed

Small piles of shiny, BB-sized brown balls appeared daily in a basement. Not mouse droppings. The expert directed to ICWDM's scat identification pages, which guide through key questions (shape, size, location, contents) to identify the source—could be bat guano, insect frass, or other wildlife.

Collect a sample in alcohol for professional ID if the online key doesn't resolve it.

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