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  • A grey duck/pārera and a mallard on water's edge Tauranga, NZ.
    Rights: Raewyn Adams, NZ Birds Online Published 24 May 2017 Size: 160 KB Referencing Hub media

    The grey duck/pārera (Anas superciliosa superciliosa) and the mallard are hard to distinguish. They are both pictured here, showing the grey duck with a green speculum and the mallard with a blue one.

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