A tray of mud placed as potential nest material for swallows. Recommended by RSPB when dry weather coincides with nesting season.

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Size: 5568px × 3712px
Location: Norfolk, England, UK
Photo credit: © SJ Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., .., birds, britain, british, construction, england, english, gb, great, helping, horizontal, isles, kingdom, material, mud, nest, nesting, norfolk, swallow, swallows, tray, uk, united