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Fig. 8. Proportion of revisits relative to the potential number of revisits for a given inter-visit interval during a specific trial (for calculation, see text). (A) Data from this study for Glossophaga soricina (N=17 individuals). The high values during trials 1–3 (open symbols) are an effect of the initial win-stay strategy of revisiting just-emptied feeders (see Fig. 7A). (B) Equivalent data for marsh tits (Parus palustris; Shettleworth and Krebs, 1982) and rufous hummingbirds (Selasphorus rufus; Sutherland, 1986) shown here for comparison (see Discussion).