The dogged search for a bird that many people figured had gone extinct included torrential rains, washed-out bridges, swine flu, and unrelenting obsession.
Juvenile ducks have brown irises and are a pale, dull brown or chestnut colour with a darker stomach. The adults are darker in colour, though during a male duck’s first winter, its iris will turn white.
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Thanks for ponting that out:
https://en.wikipedia.org/wiki/Madagascar_pochard#Description
Thank You for looking it up!