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Readers Digest Complete Book of Australian Birds (I
have Second Edition, First Revise from 1988) says that breeding season generally
starts in spring but that male sexual cycle commences around March with displays
starting shortly after. So on that basis, I guess displaying males at this time
of the year is not unusual. It would appear, though, that ducklings at this time
of year is very likely to be unusual and Geoffrey's suggestion that the current
clutch (as reported and photographed by Roger) is worthy of some sort of formal
record is very apt.
Cheers,
Bruce
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