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Figure 1 (A) Distributions of model (prey; dashed line) and Mimic (predator; solid line) cue values, showing ... Figure 1 (A) Distributions of model (prey;

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Presentation on theme: "Figure 1 (A) Distributions of model (prey; dashed line) and Mimic (predator; solid line) cue values, showing ... Figure 1 (A) Distributions of model (prey;"— Presentation transcript:

1 Figure 1 (A) Distributions of model (prey; dashed line) and Mimic (predator; solid line) cue values, showing ... Figure 1 (A) Distributions of model (prey; dashed line) and Mimic (predator; solid line) cue values, showing incomplete overlap between them. (B) Corresponding receiver operating characteristic (ROC) curve for this pair of distributions. C<sub>c</sub> (Cautious dupe) and C<sub>r</sub> (risky dupe) represent 2 possible cut off criteria and their corresponding positions on the ROC curve: Dupes approach an encountered model or mimic if the cue value is > C<sub>x</sub> and avoid it if the cue value <C<sub>x</sub>. Unless provided in the caption above, the following copyright applies to the content of this slide: © The Author(s) Published by Oxford University Press on behalf of the International Society for Behavioral Ecology. All rights reserved. For permissions, please article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model ( Behav Ecol, Volume 30, Issue 1, 01 November 2018, Pages 134–141, The content of this slide may be subject to copyright: please see the slide notes for details.

2 Figure 2 (A) ROC curve with 2 potential fixed cost-and benefit anchor points (p and a) plotted, with tangent lines to ... Figure 2 (A) ROC curve with 2 potential fixed cost-and benefit anchor points (p and a) plotted, with tangent lines to the ROC. The point at which the tangent lines intersect with the ROC defines the optimal operating point for a receiver constrained to this curve. “p” indicates a receiver with a relatively risk-prone optimal operating point (high H, but high F) and “a” indicates a receiver with a relatively risk-averse optimal operating point (low F, but low H). (B) If mimics evolve to be less discriminable, the ROC flattens, and risk-prone dupes should become less cautious, but cautious dupes should become even more cautious. Unless provided in the caption above, the following copyright applies to the content of this slide: © The Author(s) Published by Oxford University Press on behalf of the International Society for Behavioral Ecology. All rights reserved. For permissions, please article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model ( Behav Ecol, Volume 30, Issue 1, 01 November 2018, Pages 134–141, The content of this slide may be subject to copyright: please see the slide notes for details.

3 Figure 3 The dupe’s optimal operating point, represented by F
Figure 3 The dupe’s optimal operating point, represented by F*, as a function of d, the distance between the model and ... Figure 3 The dupe’s optimal operating point, represented by F*, as a function of d, the distance between the model and mimic distributions, scaled to standard deviations: d = 0 represents perfect mimicry. Representatives of the 2 families of curves that result from the model are shown: dotted line occurs when Mimetic load (DP/ESV)>A/m, and solid line occurs when mimetic load <A/m. For the mimic, the optimal difference between distributions (d) occurs at the highest value of dupe mistakes (F*) and will either be zero (solid line), or >0 (dotted line, ~1 in the example provided). Unless provided in the caption above, the following copyright applies to the content of this slide: © The Author(s) Published by Oxford University Press on behalf of the International Society for Behavioral Ecology. All rights reserved. For permissions, please article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model ( Behav Ecol, Volume 30, Issue 1, 01 November 2018, Pages 134–141, The content of this slide may be subject to copyright: please see the slide notes for details.

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