111612 Willow Tit - Poecile montanus L 12-13cm. Separable from similar Marsh Tit using voice and plumage differences; also favours subtly different habitats. Sexes are similar. Adult and juvenile have black cap and bib; cap is dull and bib is relatively large. Cheeks are whitish, back is grey-brown and underparts are pale grey-buff. Compared to Marsh, neck appears thicker and pale panel can usually be seen on otherwise grey-brown wings. Bill is short and legs are bluish. Voice Utters nasal si-si tchay-thcay-tchay call. Song is musical and warbling. Status Very local resident damp wooded areas with dense undergrowth; Alder carr is ideal.