How does the parental care strategy differ for the Ogasawara subspecies (*C. d. diphone*) compared to the main Japanese populations?
Answer
Both the male and female participate in feeding the chicks.
In the Ogasawara Islands subspecies, records indicate that parental duties are shared, with both the male and female participating in feeding the chicks, contrasting with the main Japanese populations where the female performs all rearing tasks.
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