Birding Shanghai in November 2022
10,000 Birds
DECEMBER 8, 2022
Bramblings in Finland – though not actually being parasitized by cuckoos – nevertheless rejected the vast majority of non-matching eggs in a study – they thus seem well-prepared for a potential future cuckoo invasion. On the other hand, in the West, mice, and rats are also kept as pets, maybe with the same logic.
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