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Fig. 2 | Animal Biotelemetry

Fig. 2

From: Two methods of radio transmitter attachment and their effects on the behavior and energetics of captive long-tailed ducks (Clangula hyemalis) during winter

Fig. 2

Behavioral changes observed in the different treatment groups over the course of the study. Values are grand means (±SEM), established from individual bird means (N = 5 birds per treatment group). Asterisks indicate a significant difference from the pre-attachment period. a Proportion of time ducks spent in water (resting, maintenance, locomotion, foraging, others). b Proportion of time birds engaged in swimming behavior. c Proportion of time ducks spent in maintenance behavior. The activity budget remained stable in Control birds, but changed significantly after transmitter attachment in Prong and Tesa birds. While Tesa birds recovered from these changes over time, at least partially, this was not the case for Prong birds

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