Sand Martin, Riparia riparia, adult bird at nesting burrow entrance Norfolk, May

---

Size: 5184px × 3888px
Location: UK
Photo credit: © David Osborn / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: adult, africa, alert, avian, beautiful, behaviour, bird, breeding, britain, burrow, cliff, colony, cute, entrance, environment, european, guard, habitat, history, hole, ireland, landscape, life, martin, migrant, migratory, natural, nature, nest, nesting, norfolk, ornithology, outdoors, perched, protect, riparia, sand, site, small, species, struggle, summer, survival, survive, uk, visitor, watch, watching, wild, wildlife