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Birding Shanghai in December 2022

10,000 Birds

Presumably, this also leads to income inequality, if parallels to humans are any guidance. An additional benefit would be less nest predation by tidal mudflat crabs, the primary cause of Reed Parrotbill egg predation in tidal reed-bed habitat ( source ). As scientists have found. Isn’t that what evolution is all about?

Finland 147
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Birding Shanghai in September 2022

10,000 Birds

Similar to the situation among humans, among Grey-capped Greenfinches , “high-quality individuals prefer to mate with each other” ( source ). An example is this study showing that indeed, cuckoo eggs are stronger than the eggs of the host species. This is not really an option at Nanhui though.

China 171
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Birding Hluhluwe, South Africa

10,000 Birds

She also laid eggs in Melba Finch nests. On the other hand, compared to the Laughing Dove , human life is still pretty long. Please insert your own dirty joke relating to humans here. Red-billed Firefinch. Her son, the male hybrid carrying his grandmother’s indigobird mtDNA, learned and later mimicked Melba Finch song.”