Birding Shanghai in November 2022
10,000 Birds
DECEMBER 8, 2022
Fortunately for the buntings, they seem to detect most cuckoo eggs smuggled in (75% in one study). A study found that for Plain Prinia , egg characteristics in a mainland China location with many cuckoos make it much easier to spot cuckoo eggs than in a Taiwan location with few cuckoos ( source ).
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