Tracking wildlife energy dynamics with unoccupied aircraft systems and 3-dimensional photogrammetry

Michelle Shero, Julian Dale, Alexander Seymour, Mike Hammill, Arnaud Mosnier, Samuel Mongrain & David Johnston
We present a novel application using unoccupied aircraft systems (UAS; drones) for structure-from-motion three-dimensional (3-D) photogrammetry of multiple, free-ranging animals simultaneously. Pinnipeds reliably haul-out on shore for pupping and breeding each year, accompanied by dramatic female-to-pup mass transfer over a short lactation period and males lose mass while defending mating territories. This provides a tractable study system for validating the use of UAS as a non-invasive tool for tracking energy dynamics in wild populations. UAS...
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8 downloads reported since publication in 2021.

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