平特五不中

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Why drones are counting thousands of decoy ducks

Published: 21 February 2018

Conducting a bird census by foot can also be disruptive, David Bird, an emeritus professor of wildlife biology at 平特五不中, told Popular Science. 鈥淲hile you鈥檙e doing that, you鈥檙e disturbing the hell out of the birds,鈥 Bird said.

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