Finland Humane Raised Science 
10,000 Birds
MARCH 2, 2023
It is mostly a question of economics – raising just one is troublesome enough given the resources required to feed and educate the chick. While mainly an Asian bird, the Red-flanked Bluetail has recently been seen in parts of Europe (particularly Finland and Scotland) more frequently, indicating a possible range extension ( source ).
10,000 Birds
DECEMBER 8, 2022
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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