143299 Chaffinch Fringilla coelebs L 15cm. One of our most familiar birds. Forms flocks outside breeding season. Sexes are dissimilar. Adult male has reddish pink on face and underparts, blue crown and nape, and chestnut back. Note dark wings and whitish wingbars, and white undertail and vent. White outer tail feathers seen in flight. Adult female and juvenile are mainly buffish brown, palest on face and underparts; note pale wingbars (pattern similar to male) on otherwise dark wings. Voice Utters a pink pink call. Song comprises a descending trill with a final flourish. Status Common breeding species in a wide range of habitats. Numbers boosted in winter by migrants from N Europe.