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Keywords from Image Description:
Hypolais. Several species of Hippolais birds Hippolais pallida Syn Iduna pallida Hippolais icterina syn philomela Hippolais polyglotta Hippolais olivetorum Creator John Gerrard Keulemans From NAUMANN NATURGESCHICHTE DER VGEL MITTELEUROPAS Band II Tafel Gera biologie unihamburg de htm NAUMANN Naumann Naturgeschichte der Vgel