157055 Nuthatch - Sitta europaea. L 14cm. Dumpy, short-tailed woodland bird that often descends tree trunks head-first. Sexes are similar. Adult has blue-grey upperparts, black eyestripe, white cheeks and orange-buff underparts; on average, males are more reddish buff on flanks than females. Juvenile is similar but duller. Voice Utters a loud zwiit, repeated if bird is agitated. Song is a series of whistling notes. Status Fairly common resident of deciduous and mixed woodland, and gardens, mainly in England and Wales.