Cloud cuckoo land? How one bird's epic migration stunned scientists | Curio
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Cloud cuckoo land? How one bird's epic migration stunned scientists

6 mins | Jul 5, 2020
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It has not only amazed conservationists but also gripped social media across the globe. When Onon the common cuckoo took off from Mongolia in June 2019, no one expected him to make a 26,000km round trip to southern Africa. And yet, he has. Rebecca Ratcliffe reports on the perplexing case for the Guardian.

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