The artificial nests are more robust than the endangered migratory birds' own mud creations.
House martin artificial nests scheme set to expand

The artificial nests are more robust than the endangered migratory birds' own mud creations.
Key Takeaways
- House martin artificial nests scheme set to expand.
- The artificial nests are more robust than the endangered migratory birds' own mud creations.
- The artificial nests are more robust than the endangered migratory birds' own mud creations.
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Published originally on BBC Science & Environment






