Brown Creeper

13 cm; male 13.5 g, female 11 g. Crown, back, rump and tail reddish brown; ash grey on face and neck; small white stripe behind eye; light buff underparts; dark bar near tip of tail. Sexes and juveniles alike. Usually in small fast-moving noisy flocks high in canopy, uttering nasal notes and rapid slurred trills. Male song includes slurs, musical whistles and harsh notes: ''chi-roh-ree-roh-ree-reef, the second note being lower than the first. Females sing a rapid