Researchers find success using drones to deploy tagging devices on wild whales
Researchers have discovered a new way to gain important insights into the behavioural ecology of whales.
Whales have been tagged by scientists to collect information about their movements but this practice is often difficult for researchers and distressing to whales.
In order to make the process easier, a team of international researchers trialled the use of drones to drop bio-logging tags on free-swimming blue and fin whales.
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Researchers use drones to deploy tagging devices on wild whales. Christian Miller
According to peer-reviewed research published in Royal Society Open Science, the technique proved successful in 21 out of 29 attempts, which took an average of two minutes and 45 seconds.
The drones were launched at an average distance of less than 500 metres from the research vessel.
Some flights were terminated prior to the drone being stationed above an animal or attempting to tag due to environmental or other outside factors.
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Whales are tagged to collect data about their movements. Christian Miller
"Suction-cup attached biologging tags have provided major advances in our understanding of large whales," researchers said.
"However, the close boat approach required to attach tags to free-swimming whales can limit success, harass animals and endanger people."
It is hoped the technique will provide further insights into the species.
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