Flock of European sand martins / bank swallows / collared sand martins (Riparia riparia / Hirundo riparia) in flight against blue sky

---

Size: 4261px × 2841px
Photo credit: © Arndt Sven-Erik / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: animal, animals, bank, bird, birds, blue, britain, british, collared, copy, copy-space, copyspace, europe, european, fauna, flight, flock, flying, germany, great, group, hirundinidae, hirundo, martin, martins, migrant, migrants, migrating, migration, migratory, nature, passage, passerine, passerines, riparia, sand, sky, songbird, songbirds, space, spring, swallow, swallows, uk, wildlife