A small wren with medium-length bill and ... Adult: one molt a year; sexes similar. All populations brownish above, paler gray-brown or gray below. Supercilium, often indistinct, is paler than ...

Vocal and plumage variation in the Bewick’s wren is extensive ... Plumage variable, but all subspecies gray-brown to rufous-brown above, gray-white below, with long, pale supercilium.