Until now it has only been possible to weigh whales once they have washed up dead on beaches. Now scientists have solved the conundrum, with the help of aerial photographs taken by drones.
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Zee(zoog)dierennieuws van bijna overal
Until now it has only been possible to weigh whales once they have washed up dead on beaches. Now scientists have solved the conundrum, with the help of aerial photographs taken by drones.
>> read more …