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Flights of Passage: a book review

10,000 Birds

And, in a nice irony, an example par excellence of the law of unintended consequences: the Redhead, a diving duck, has an aversion to wind turbines, and will change its feeding areas to avoid them. “Scientists fear that this may cause them to lose condition over winter and thus damage their breeding prospects.”

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Collaborative List – October 2018

10,000 Birds

It is also a month when the Law of Diminishing Returns over-took itself. Yellow-billed Duck – Anas undulata. Red-billed Duck – Anas erythrorhyncha. Knob-billed Duck – Sarkidiornis melanotos. Indian Spot-billed Duck – Anas poecilorhyncha. Freckled Duck – Stictonetta naevosa.

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Combined Beats List – June 2016

10,000 Birds

The law of diminishing returns brings the inevitability of repeat sightings and has checked the momentum of the combined beats’ list for June. Just to confuse things a little, only 14 new species were recorded since June 1 st. Blue-billed Duck – Oxyura australis. Musk Duck – Biziura lobata. 22 May 2016.

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