Birding Shanghai in June 2023
10,000 Birds
JULY 6, 2023
Their migration is quite fast compared to many other larger birds – in one study , several birds flew 4000 km within 5–7 days while one individual even flew 5600 km non-stop. Summary result: relevant chemicals emitted by the plant can be found in the eggs. Also as video. It sometimes looks a bit risky though.
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