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Fig. 7.6 (cont.). (b) For seven male rufous hummingbirds, mean (± SE) number of choices made (out of four) in favor of center, location, and other flowers during test trials. Dashed lines represent random performance and dotted line represents background sampling rate estimated from last 20 training trials for each distance for each individual. (Redrawn with permission from Healy & Hurly 1998.)

Spacing (cm)

Fig. 7.6 (cont.). (b) For seven male rufous hummingbirds, mean (± SE) number of choices made (out of four) in favor of center, location, and other flowers during test trials. Dashed lines represent random performance and dotted line represents background sampling rate estimated from last 20 training trials for each distance for each individual. (Redrawn with permission from Healy & Hurly 1998.)

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