Socorro Wren Troglodytes sissonii

Only found on Socorro Island, where it is the only wren. Occurs in woodland, brushy thickets, and scrubby vegetation, often in pairs or family groups. Forages at all levels, sometimes out on open ground and among intertidal rocks; often holds its fairly long tail cocked up. Overall sandy brown to grayish brown, paler below, with a paler eyebrow, dark barring on wings and tail. Overall buffier and slightly longer-billed than House Wren, which might occur as rare migrant on Socorro.