Sand martin (Riparia riparia) digging nests in a sand cliff where the colony is established

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Size: 4256px × 2837px
Location: Belgium
Photo credit: © Robert HENNO / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: adult, belgium, bird, cliff, colony, dig, digging, europe, group, hirundinidae, hole, holes, martin, migration, migratory, nature, nest, nesting, nests, pit, quarry, riparia, sand, sand-pit, spring, wild, wildlife