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The aim is to validate UAV photogrammetry as a method for accurately measuring body size and condition in bottlenose dolphins.

February 2, 2026The Journal of PhysiologyOpen Access

Validation of aerial photogrammetry methods to measure body size, condition and mass in small cetaceans

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The aim is to validate UAV photogrammetry as a method for accurately measuring body size and condition in bottlenose dolphins.
Compared UAV-derived measurements of body length, width, height, and girth with manual measurements.
Assessed accuracy and precision of measurements in both stationary and swimming dolphins.
Calculated volume-based and mass-based body condition indices for comparison.
UAV photogrammetry showed negligible differences compared to manual measurements.
Volume-based body condition index matched traditional mass-based indices nearly perfectly.
Estimated individual body mass with a mean error of only 6.4%.

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Validation study finds UAV photogrammetry accurately measures body size and condition in cetaceans, implying better wildlife management.

Cicciarella et al. (2026) studied this question.

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