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Comebackers

10,000 Birds

They bred on a number of islands near Japan and Taiwan, and ranged widely and abundantly from the Aleutian Islands south through California. But within a couple of decades, it’s effects on both wildlife and humanity became apparent. They were secure in their isolated home here until humanity came to Laysan in the 1890s.

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Birding Shanghai in August 2023

10,000 Birds

It looks at factors determining the presence of Black-winged Kites on Taiwan, where the species is a new resident. Surprisingly (at least from a biased human perspective), 97% of the deserters are female ( source ). Interestingly, the factors cited there may also explain the expanding presence of the species in Shanghai.

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Birding Shanghai in November 2022

10,000 Birds

In contrast, the females need to make sure not to get duped into raising actual cuckoos – the buntings are a targeted host species ( source ). So assuming that these results are transferable to humans, parents should feed their offspring regularly (first finding) but restrict themselves to one child (second finding).

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