When searching for signs of American Burying Beetle activity, what subtle sign is considered a better indicator than general surface mess?

Answer

Very small, recently disturbed patches of soil

Since these beetles are subterranean workers, the best indicator of their presence is spotting very small, recently disturbed patches of soil where a small creature may have disappeared overnight.

When searching for signs of American Burying Beetle activity, what subtle sign is considered a better indicator than general surface mess?
rarityinsectbeetlecarrion