Eastern Olivaceous Warbler, Iduna pallida, africa, african, bird, birds, close, close-up, closeup, europe, european, horizontal, landscape, migrant, migrants, migrate, migrates, migrating, migration, migratory, passerine, passerines, perch, perched, perching, sat, sit, sitting, song, songbird, songbirds, up, warbler, warblers, wide, world birds, worldwide