Trox scaber is a beetle of the family Trogidae. The 5 to 8 mm long insect is found worldwide, including in Europe, and lives in bird nests.

The elytra and pronotum are roughly sculptured, and there are bristly scales on the elytral ridges. The larvae develop in tawny owl and other owl nests but also in the hollow tree nests of jackdaw, woodpecker and others. They feed mainly on small dry carcasses, especially when dry.

...