only above the lores, and does not continue behind the eye, it is called a supraloral stripe or simply supraloral. On most species that display a supercilium, it is paler than the adjacent feather tracts.

The colour, shape, or other features of the supercilium can be useful in bird identification. For example, the supercilium of the dusky warbler, an Old World warbler species, can be used to distinguish it from the