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Imperfect Mimicry and the Limits of Natural Selection
Mimicry—when one organism (the mimic) evolves a phenotypic resemblance to another (the model) due to selective benefits—is widely used to illustrate natural selection’s power to generate adaptations. However, many putative mimics resemble their models imprecisely, and such imperfect mimicry represents a specific challenge to mimicry theory and a ...
David W Kikuchi, David W Pfennig
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Stimulus Salience as an Explanation for Imperfect Mimicry [PDF]
The theory of mimicry explains how a mimic species gains advantage by resembling a model species [1-3]. Selection for increased mimic-model similarity should then result in accurate mimicry, yet there are many surprising examples of poor mimicry in the natural world [4-8]. The existence of imperfect mimics remains a major unsolved conundrum. We propose
Baharan Kazemi +2 more
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A comparative analysis of the evolution of imperfect mimicry [PDF]
Although exceptional examples of adaptation are frequently celebrated, some outcomes of natural selection seem far from perfect. For example, many hoverflies (Diptera: Syrphidae) are harmless (Batesian1) mimics of stinging Hymenoptera2. However, although some hoverfly species are considered excellent mimics, other species bear only a superficial ...
Heather D Penney +2 more
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Frequency dependence shapes the adaptive landscape of imperfect Batesian mimicry [PDF]
Despite more than a century of biological research on the evolution and maintenance of mimetic signals, the relative frequencies of models and mimics necessary to establish and maintain Batesian mimicry in natural populations remain understudied.
Susan D Finkbeiner +2 more
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Evolution: The Mystery of Imperfect Mimicry [PDF]
Mimicry has long provided some of the most persuasive examples of the power of natural selection. However, some mimics are quite poor. A new study shows that mechanisms by which animals learn might explain how imperfect mimics survive.
Innes C Cuthill
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Imperfect ant mimicry contributes to local adaptation in a jumping spider
Putative ant mimicry is a remarkable example of an evolutionary strategy that can be well integrated into the framework of natural selection and adaptation. However, challenges remain in understanding imperfect ant mimicry. Here, we combine trait quantification and behavioral assays to investigate imperfect ant mimicry in the jumping spider Siler ...
Hua Zeng
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Many animals mimic dangerous or undesirable prey as a defence from predators. We would expect predators to reliably and exclusively avoid animals that closely resemble dangerous prey, yet imperfect mimics are common.
Donald James Mclean, Marie E Herberstein
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Predator Cognition Permits Imperfect Coral Snake Mimicry
American Naturalist, 2010Batesian mimicry is often imprecise. An underexplored explanation for imperfect mimicry is that predators might not be able to use all dimensions of prey phenotype to distinguish mimics from models and thus permit imperfect mimicry to persist. We conducted a field experiment to test whether or not predators can distinguish deadly coral snakes (Micrurus
David W Kikuchi, David W Pfennig
exaly +3 more sources
Insincere Flattery? Understanding the Evolution of Imperfect Deceptive Mimicry
Quarterly Review of Biology, 2019AbstractMimicry is the phenotypic resemblance of one organism to another because the resemblance is favored by selection from a signal receiver who perceives the resemblance.
Donald James Mclean +2 more
exaly +2 more sources

