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Birding Shanghai in February 2023

10,000 Birds

It is mostly a question of economics – raising just one is troublesome enough given the resources required to feed and educate the chick. Their reaction is justified – in Israel, where Ring-necked Parakeets are an invasive species, they have a significant negative effect on the breeding density of hoopoes ( source ).

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Birding Hluhluwe, South Africa

10,000 Birds

In terms of breeding behavior, starlings are a diversified group – some use helpers, others do not. Superb Starlings avoid this when using helpers, much like rich people presumably reducing the stress of raising kids by hiring a couple of nannies. But that is the environment they survive in, get grants, get professorships, etc.