v-d flight of wild geese flock in blue sky by dusk

animal anser atmosphere autumn autumnal background bird birds blue departing departure dusk energy europe european evening fall fauna feeling flight flock flying flyway formation freedom geese german germany gone goodbye goose greylag greylags group grouping high hour low-angle melancholy migrating migration migratory mood nature nostalgic pattern peaceful route scene scenery season seasonal sky southwards trees twilight wanderlust waterfowl wild wildlife wistful gaggle bushes shrubs leaving leave away gregarious v-shaped tough soul grief emigrate