Range-wide spatial mapping reveals convergent character displacement of bird song by Seddon, N, Tobias, J, Kirschel, A

“…Our results suggest that agonistic character displacement driven by interspecific competition can generate spatial patterns opposite to those predicted by classic character displacement theory, and highlight the potential role of social selection in shaping geographical variation in signal phenotypes of ecological competitors.…”

Understanding the evolution of ecological sex differences: Integrating character displacement and the Darwin‐Bateman paradigm by Stephen P. De Lisle

Subjects: “…Ecological character displacement…”
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Character displacement from the receiver's perspective: species and mate recognition despite convergent signals in suboscine birds. by Seddon, N, Tobias, J

“…It is therefore often assumed that long-distance signals are under strong selection for species-specificity and individual distinctiveness, and that this will drive character displacement when closely related species meet, particularly in noisy environments. …”

Evidence of character displacement in microhabitat use between two tropical sympatric Holcosus lizard species (Reptilia, Teiidae) by Ruiz Real, F., Martín, J.

“…Interspecific competition between sympatric related species leading to character displacement is critical for species coexistence, especially in tropical habitats. …”
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Comparative Morphological Analysis of Two Species of Turtle Leeches Coexisting in North America (Hirudinea: Glossiphoniidae): Embryological Evidence for Character Displacement by Roy T. Sawyer

“…A morphologically significant observation is that developmental divergence results in tubercle prominence in <i>P. rugosa</i> clade, but tubercle suppression in <i>P. parasitica</i>, the first example of character displacement in the Hirudinea. Morphological differences are interpreted as reflecting interspecific competition, a phenomenon not found in their Palaearctic counterpart. …”
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3D Geometric Morphometrics Reveals Convergent Character Displacement in the Central European Contact Zone between Two Species of Hedgehogs (Genus <i>Erinaceus</i>) by Barbora Černá Bolfíková, Allowen Evin, Markéta Rozkošná Knitlová, Miroslava Loudová, Anna Sztencel-Jabłonka, Wiesław Bogdanowicz, Pavel Hulva

Subjects: “…convergent character displacement…”
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The population genetics of speciation by cascade reinforcement by Carlie B. Anderson, Oscar Ospina, Peter Beerli, Alan R. Lemmon, Sarah E. Banker, Alyssa Bigelow Hassinger, Mysia Dye, Michelle L. Kortyna, Emily Moriarty Lemmon

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Reproductive ecology and isolation of Psittacanthus calyculatus and P. auriculatus mistletoes (Loranthaceae) by Sergio Díaz Infante, Carlos Lara, María del Coro Arizmendi, Luis E. Eguiarte, Juan Francisco Ornelas

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The end of the line: competitive exclusion and the extinction of historical entities by Luke C. Strotz, Bruce S. Lieberman

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Comparative morphology and histology of Hemipeneal structure of Laudakia nupta (De Filippi, 1843) and Paralaudakia caucasia (Eichwald, 1843) by Farkhondeh Sayyadi, Nasrullah Rastegar-Pouyani, Mehri Azadbakht, Khosrow Chehri

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A test of frequency‐dependent selection in the evolution of a generalist phenotype by Stephanie A. Blain, Louise Chavarie, Mackenzie H. Kinney, Dolph Schluter

Subjects: “…character displacement…”
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The effect of recent competition between the native Anolis oculatus and the invasive A. cristatellus on display behavior by Claire M. S. Dufour, Anthony Herrel, Jonathan B. Losos

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Intraspecific variability in the filter mesh size of suspension feeding organisms: the case of invasive Ponto-Caspian corophiids (Crustacea: Amphipoda) by Péter Borza

Subjects: “…Character displacement…”
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Local ecological divergence of two closely related stag beetles based on genetic, morphological, and environmental analyses by Sheng‐Nan Zhang, Kôhei Kubota

Subjects: “…character displacement…”
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Evidencia morfológica de hibridación entre las subespecies de Ramphocelus flammigerus (Passeriformes: Thraupidae) en Colombia Morphological evidence of hybridization between Rampho... by M. Juliana Bedoya, Oscar E. Murillo G

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Genomic analysis of the rhesus macaque (Macaca mulatta) and the cynomolgus macaque (Macaca fascicularis) uncover polygenic signatures of reinforcement speciation by Nick Bailey, Cody Ruiz, Anthony Tosi, Laurie Stevison

“…Abstract Speciation can involve phases of divergent adaptation in allopatry and ecological/reproductive character displacement in sympatry or parapatry. Reproductive character displacement can result as a means of preventing hybridization, a process known as reinforcement speciation. …”
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Distribution of iridescent colours in hummingbird communities results from the interplay between selection for camouflage and communication by Gruson, Hugo, Elias, Marianne, Parra, Juan L., Andraud, Christine, Berthier, Serge, Doutrelant, Claire, Gomez, Doris

“…This selects for divergence in traits involved in species identification among co-occurring species, resulting from character displacement. On the other hand, predation may select for crypsis, potentially leading co-occurring species that share the same environment and predators to have a similar appearance. …”
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Sex chromosome evolution and speciation in Ficedula flycatchers. by Saetre, G, Borge, T, Lindroos, K, Haavie, J, Sheldon, B, Primmer, C, Syvänen, A

“…In addition to this partial postzygotic barrier, character displacement of male plumage characteristics has previously been shown to reinforce prezygotic isolation in these birds. …”

Signal design and perception in Hypocnemis antbirds: evidence for convergent evolution via social selection. by Tobias, J, Seddon, N

“…We show that the structure of territorial songs in males overlaps in sympatry, with some evidence of convergent character displacement. Conversely, nonterritorial vocal and visual signals in males are strikingly diagnostic, in line with 6.8% divergence in mtDNA sequences. …”

Continental variation in wing pigmentation in Calopteryx damselflies is related to the presence of heterospecifics by Christopher Hassall

“…These patterns are qualitatively similar to variation in pigmentation in C. aequabilis, meaning that the data are consistent with what would be expected from convergent character displacement. Overall, the results corroborate recent research that has suggested sexual selection as a primary driver behind the evolution of wing pigmentation in this group.…”
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