Sand martin (Riparia riparia) in flight, returning to its nest in a sandstone cliff (right). Another sand martin is peering out from one of the nestin

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Sand martin (Riparia riparia) in flight, returning to its nest in a sandstone cliff (right). Another sand martin is peering out from one of the nesting holes. This bird is also known as the bank swallow, since it is often found nesting in waterside cliffs and banks. Photographed in the UK.

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Size: 5125px × 3412px
Photo credit: © SIMON BOOTH/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: adult, alighting, animal, aves, avian, bank, biological, biology, bird, britain, british, cliff, england, english, europe, european, fauna, flight, flying, hirundine, kingdom, martin, migrant, nature, nest, nesting, ornithological, ornithology, returning, riparia, rock, sand, sandbank, sandstone, uk, united, wildlife, zoological, zoology