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39 results for “Sceloporus lizards”
FIG. 2 in Body Color and Morphological Correlates of Fitness in Eastern Fence Lizards (Sceloporus undulatus): A Spectrophotometric Approach
FIG. 2.—Significant regressions of abdominal body color against morphometric traits for male Eastern Fence Lizards (Sceloporus undulatus) collected in 2013 from Dauset Trails Nature Center (Butts County, GA). (A) Ventral UV chroma X snout-vent length (SVL), (B) ventral blue chroma X SVL, (C) ventral blue chroma X patch area, (D) dorsal UV chroma X SVL. Values for UV chroma in panels A and D are depicted following a natural logarithmic transformation.
FIG. 1 in Body Color and Morphological Correlates of Fitness in Eastern Fence Lizards (Sceloporus undulatus): A Spectrophotometric Approach
FIG. 1.—Body coloration in adult Eastern Fence Lizards (Sceloporus undulatus) at 36°C. (A) Photographs of representative examples of male and female body color. (B) Mean spectral reflectance curves (males, n ¼ 28; females, n ¼ 12) of dorsal and ventral abdominal coloration. Solid brown line ¼ male dorsum; solid blue line ¼ male venter; dotted brown line ¼ female dorsum; dotted black line ¼ female venter. Spectral reflectance data from Stephenson et al. (2017). Republished with permission of the Linnean Society of London.
Genotyping validates the efficacy of photographic identification in a capture-mark-recapture study based on the head scale patterns of the prairie lizard (Sceloporus consobrinus)
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Data from: Estimating the temporal and spatial extent of gene flow among sympatric lizard populations (genus Sceloporus) in the southern Mexican highlands
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Data from: Including fossils in phylogenetic climate reconstructions: a deep time perspective on the climatic niche evolution and diversification of spiny lizards (Sceloporus)
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Data from: Phylogeography of the Trans-Volcanic bunchgrass lizard (Sceloporus bicanthalis) across the highlands of southeastern Mexico
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Data from: Effects of urbanization on ventral patch size and phenotypic correlates of patch expression in male western fence lizards (<em>Sceloporus occidentalis</em>)
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Cryptic diversity across the Trans-Mexican Volcanic Belt of Mexico in the montane bunchgrass lizard Sceloporus subniger (Squamata: Phrynosomatidae)
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Data from: Evidence for ephemeral ring species formation during the diversification history of Western Fence Lizards (Sceloporus occidentalis)
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Data from: Comparative species divergence across eight triplets of spiny lizards (Sceloporus) using genomic sequence data
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Data from: Inferring introgression using RADseq and DFOIL: power and pitfalls revealed in a case study of spiny lizards (Sceloporus)
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Data from: Information content is more important than sensory system or physical distance in guiding the long-term evolutionary relationships between signaling modalities in Sceloporus lizards
Long-term signal evolution is shaped by a variety of selective pressures including the need to convey additional information or to improve message transfer to specific receivers or through multiple environments. Here, we test the relative importance of information and sensory modality in shaping the long-term evolution of multimodal signals in Sceloporus lizards. To broadcast identity at territorial boundaries, male Sceloporus use both visual motion (headbob) and chemical signals, whereas they use color (blue belly patches) to signal aggression. Using modern phylogenetic comparative methods, we found a negative correlation between evolutionary changes in visual motion (headbobs) and chemical (femoral pore) signals, but only indirect ties between the evolution of color and motion signals (both of which are perceived visually) through viviparity, and no evidence of an evolutionary link between color and chemical signals. We also find a negative correlation between arboreality and chemical signals. Thus, information content (in this case, broadcasting individual identity versus signaling aggression) appears to play a more important role than sensory modality or physical distance in guiding long-term signal evolution. Additional insights into the underlying evolutionary processes are described, illustrating the utility of a phylogenetic approach.
Data from: Multiple data sets, congruence, and hypothesis testing for the phylogeny of basal groups of the lizard genus Sceloporus (Squamata, Phrynosomatidae)
Several data partitions, including nuclear and mitochondrial gene sequences, chromosomes, isozymes, and morphological characters, were used to propose a new phylogeny and to test previously published hypotheses about the phylogenetic positions of basal clades of the lizard genus Sceloporus and the relationship of Sceloporus to the former genus "Sator". In accord with earlier studies, our results grouped "Sator" internal to Sceloporus, and both support a hypothesis of transgulfian vicariance for the origin of the former genus "Sator" on islands in the Sea of Cortez. Robustness of support for internal nodes in our best tree was established though widely used indices (bootstrap proportions, decay values) but also through congruence among independent data partitions. Several deep nodes in the tree recovered by a number of methods, including equally weighted and differentially weighted parsimony, and maximum likelihood models, are only weakly supported by the traditional indices, and this methodological concordance is taken as evidence for insensitivity of the deep structure of the topology to alternate assumptions.
Data from: "Comparative genomic resources for spiny lizards (genus Sceloporus)" in Genomic Resources Notes accepted 1 August 2014-30 September 2014
To advance comparative genomic studies of the spiny fence lizards (genus Sceloprous), we provide the genomic annotations for 35 Sceloporus species.
Tick parasitism impairs contest behavior in the western fence lizard (Sceloporus occidentalis)
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Data from: Information content is more important than sensory system or physical distance in guiding the long-term evolutionary relationships between signaling modalities in Sceloporus lizards
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Data from: Multiple data sets, congruence, and hypothesis testing for the phylogeny of basal groups of the lizard genus Sceloporus (Squamata, Phrynosomatidae)
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Data from: Delimiting Species Using DNA and Morphological Variation and Discordant Species Limits in Spiny Lizards (Sceloporus)
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Data from: "Comparative genomic resources for spiny lizards (genus Sceloporus)" in Genomic Resources Notes accepted 1 August 2014-30 September 2014
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