Examples depicting plumage and bill shape differences among Reed Bunting subspecies.
a) first-year females E. s. schoeniclus (left) and E. s. lusitanica (right); b) first-year male E. s. schoeniclus; c) first-year male E. s. lusitanica and d) first-year male E. s. witherbyi, captured at Salreu, Estarreja, Portugal, except the latter, which was captured at Lagunas de Villafranca, Toledo, Spain. All pictures were taken by JMN.
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