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Fig. 3 | Movement Ecology

Fig. 3

From: Goal-dependent current compensation and drift in surf scoter flocks

Fig. 3

A snapshot of scoter flock approaching foraging grounds. Raw image from camera is shown in (a) showing highly polarized, cohesive motion and also excreta used as an intrinsic fluid tracer. Data extracted from (a) is shown in (b) after image analysis, transformation, and current calculation. In (b), individual velocity (track) vectors shown in black, with heading vectors shown in red. Current direction vector is not to scale relative to velocity vectors

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