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Hummingbird hovering energetics during moult of primary flight feathers

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Figure

Fig. 1. Configuration of the flight feathers of moulting ruby-throatedhummingbirds. (A) Unimpaired wing (bird 4F) showing primary and
Fig. 3. Wingbeat frequency n (A) and stroke amplitude Φ (B) inrelation to wing area loss due to moult and air density reduction withheliox (order of individuals as in Fig
Table 2. Results of repeated-measures ANOVA for kinematic,mechanical and metabolic variables assessing effects of wingarea reduction due to moult and air density reduction in
Fig. 5. Muscle mass-specific power output assuming zero (Pand perfect (*zero, A)P*per, B) elastic energy storage in relation to moult andair density reduction (order of individuals as in Fig
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