Avian squatters at the end of Europe
10,000 Birds
JUNE 16, 2024
The Cuckoo Cuculus canorus has a bad reputation because of its habit of laying its eggs on the nests of other birds, who then raise their young. But in south-west Europe there is a bird that kicks out the sitting tenants and takes over the nest altogether. How can you tell if a Red-rumped Swallow’s nest has been taken over?
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