Common as dirt, except ...

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Roaring 40s

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The Pacific Black Duck is so common down under that we hardly register it anymore.

But when it has bathed and is grooming it reveals its iridescent speculum. This can show as blue, green or a mix, and I gather is the result of the microstructure of the feathers modifying light reflection.

Pacific Black Duck display (33).jpg
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Pacific Black Duck display (50).jpg
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Pacific Black Duck display (44).jpg
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Pacific Black Duck display (30).jpg
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