reed-sparrow
/ˈriːd ˌsparəʊ/noun
Any of several European songbirds that frequent reed beds: (a) (more fully †greater reed-sparrow) the reed bunting, Emberiza schoeniclus (now rare ); (b) (more fully lesser reed-sparrow) the sedge warbler, Acrocephalus schoenobaenus, or reed warbler, A. scirpaceus (now historical ).
Origin
Late 15th century. From reed + sparrow. Compare post-classical Latin passer harundinarius, passer arundinaceus.