Birding Shanghai in October 2023
10,000 Birds
NOVEMBER 6, 2023
I just pressed the wrong button when working on the post on September 28 (feel free to insert your own joke about premature something here). When there are cuckoos around – which parasitize Daurian Redstarts – the females have a higher rate of egg rejection. The Yellow-bellied Tit suffers a bit less from such jokes.
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