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170 results for “anoles”
Environmentally-associated color divergence does not coincide with population structure across Lesser Antillean anoles
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Habitat use, interspecific competition, and phylogenetic history shape the evolution of claw and toepad morphology in Lesser Antillean anoles
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Parallel and non-parallel phenotypic responses to environmental variation across Lesser Antillean anoles
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Data from: Quantitative traits and mode of speciation in Martinique anoles
We investigate extensive quantitative trait variation (dewlap hue, colour pattern, dorsum hue, body proportions and scalation) in the Martinique anole across eight transects representing nascent parapatric ecological speciation, nascent allopatric speciation, and allopatric divergence without sufficient genetic structure to suggest speciation. Quantitative trait divergence can be extremely large between adjacent sets of populations, but with one exception this is associated with difference in habitat rather than past allopatry. Nascent ecological speciation shows the greatest level of quantitative trait divergence across all character sets including those implicated in natural, as well as sexual selection. The sole example of nascent allopatric speciation is associated with fairly strong quantitative trait diverge among most character sets, but not the set most implicated in natural (rather than sexual) selection. The role of sexual selection in ecological speciation is discussed, both in terms of female choice with assortative mating, and male-male competition with condition-dependant sexual signals.
Data from: Take this broken tail and learn to jump: the ability to recover from reduced in-air stability in tailless green anole lizards (Anolis carolinensis [Squamata: Dactyloidae])
Locomotion is involved in various fitness related tasks, such as foraging, acquiring mates and escaping from predators. Despite the importance of locomotor performance in determining fitness, animals often encounter situations in nature during which their locomotor performance is severely compromised. For animals that actively discard appendages as an antipredator strategy, the loss of appendages can cause a severe reduction in locomotor performance. However, whether animals can compensate for the impact on locomotor performance after autotomy is still unclear. A previous study has shown that tailless green anole lizards suffered from reduced in-air stability during jumping. In this study, we monitored jump kinematics in three groups of Anolis carolinensis for five consecutive weeks to test two hypotheses. First, whether tailless green anoles can recover from reduced in-air stability before their tails can regenerate. Second, whether gaining locomotor experience facilitates locomotor recovery. Our results revealed extensive individual variation in the ability to compensate for reduced in-air stability. Some individuals did improve in-air stability during the study period, whereas others showed no sign of improvement. Moreover, the acquisition of locomotor experience did not facilitate the recovery process. Our findings suggested that tail autotomy in green anoles likely imposes a long-term fitness disadvantage. The utility of other compensatory mechanisms, such as altering behavior, might play a role in natural populations to minimize the impact of autotomy on individual fitness. Our findings also shed some light on the independent evolutionary losses of the ability to autotomize within lizards. Comparative studies which test whether species that autotomize more frequently/easily can better compensate for the effect of autotomy would be a fruitful direction of future research.
FIGURE 1. Anolis otongae, QCAZ 3872 in A new species of dactyloid anole (SQUAMATA: IGUANIDAE) from the western Andes of Ecuador
FIGURE 1. Anolis otongae, QCAZ 3872, adult female (SVL 63.3 mm).
FIGURE 3 in A new species of dactyloid anole (SQUAMATA: IGUANIDAE) from the western Andes of Ecuador
FIGURE 3. Distribution of Anolis otongae (circles) and A. gemmosus (triangles) in Ecuador.
FIGURE 3 in A new species of anole related to Anolis altae from Volcán Tenorio, Costa Rica (Reptilia, Squamata, Polychrotidae)
FIGURE 3. Holotype of Anolis tenorioensis (SMF 91985). SVL = 42.0 mm. Photos by Gunther Köhler.
FIGURE 10 in A new species of pine anole from the Sierra Madre del Sur in Oaxaca, Mexico (Reptilia, Squamata, Dactyloidae: Anolis)
FIGURE 10. Habitat at the type locality of Anolis peucephilus.
FIGURE 5 in A new species of pine anole from the Sierra Madre del Sur in Oaxaca, Mexico (Reptilia, Squamata, Dactyloidae: Anolis)
FIGURE 5. Head of holotype of Anolis peucephilus (SMF 96368). Scale bars equal 1.0 mm.
FIGURE 4 in A new species of pine anole from the Sierra Madre del Sur in Oaxaca, Mexico (Reptilia, Squamata, Dactyloidae: Anolis)
FIGURE 4. Holotype of Anolis peucephilus (SMF 96368). Scale bars equal 10.0 mm.
Figure 2 in New Specimens Of Anolis Phyllorhinus (Squamata, Polychrotidae): The First Female Of The Species And Of Proboscid Anoles
Figure 2. Anolis phyllorhinus male (MZUSP 82.609)
Figure 4 in New Specimens Of Anolis Phyllorhinus (Squamata, Polychrotidae): The First Female Of The Species And Of Proboscid Anoles
Figure 4. Dewlap of a male of Anolis phyllorhinus (MZUSP 82.609).
Clinging performance on natural substrates predicts habitat use in anoles and geckos
<p>1. For arboreal lizards, the ability to cling or adhere to the substrate is critical for locomotion during prey capture, predator escape, thermoregulation, and social interactions. Thus, selection on traits related to clinging is likely strong. </p> <p>2. Correlations between morphology, performance, and habitat use have been documented in arboreal lizards, providing a framework for using functional traits to predict habitat use in the field.</p> <p>3. We tested the hypothesis that clinging performance predicts habitat use in an actively assembling community of introduced lizards in Hawaiʻi comprised of anoles (<i>Anolis carolinensis, A. sagrei</i>) and day geckos (<i>Phelsuma laticauda</i>).</p> <p>4. We measured morphological traits (toepad area and lamellae number) and tested clinging performance on two artificial and eight natural substrates in the lab. We measured habitat use in 10 m x 10 m outdoor enclosures where habitat availability was controlled and the lizard species assemblage was manipulated to reflect all species combinations. The enclosure experiment generated more than 9,000 habitat use observations from 360 lizards.</p> <p>5. Morphological traits that predict performance in <i>Anolis </i>were not predictive in <i>Phelsuma</i>, indicating that direct measures of performance are necessary for comparisons between the genera.</p> <p>6. Measuring clinging performance on multiple substrates provided key insights into patterns of habitat use. While all three species performed best on an artificial smooth substrate (acrylic), performance on natural substrates predicted which texture (rough vs. smooth) was most often used by each species. </p> <p>7. Performance predicted perch height use: species with the greatest clinging performance (<i>A. carolinensis </i>and <i>P. laticauda</i>) across substrates perched twice as high as <i>A. sagrei</i>.</p> <p>8. We did not observe habitat shifts in the height or texture of perches used by any species in response to experimental manipulation of the lizard species assemblage.</p> <p>9. Our results highlight the inextricable link between ecology, morphology, and performance, the importance of measuring functional traits in ecologically-relevant ways, and the potential for resource partitioning to be influenced by differences in the ability to attach to different substrates. </p>
FIGURE 2 in Taxonomic status of two enigmatic Mexican anoles: Anolis cumingii Peters 1863 and Anolis guentherii Bocourt 1873 (Reptilia, Squamata, Dactyloidae)
FIGURE 2.—Holotype of Anolis guentherii (MNHN 712; SVL 45.5 mm).
FIGURE 1 in Taxonomic status of two enigmatic Mexican anoles: Anolis cumingii Peters 1863 and Anolis guentherii Bocourt 1873 (Reptilia, Squamata, Dactyloidae)
FIGURE 1.—Holotype of Anolis cumingii (ZMB 4105; SVL 46.0 mm).
Figure 2 from: Torres-Carvajal O, Ayala-Varela F (2010) A new species of dactyloid anole (Iguanidae, Polychrotinae, Anolis) from the southeastern slopes of the Andes of Ecuador. ZooKeys 53: 59-73. https://doi.org/10.3897/zookeys.53.456
Figure 2 - Dewlap of Anolis podocarpus sp. n.(A, holotype male, QCAZ 10126; B, female, QCAZ 10129) and Anolis fitchi (C, male, QCAZ 8770; D, female, QCAZ 9707). Photographs by L.A. Coloma (male of Anolis fitchi), F. Ayala-Varela (female of Anolis fitchi) and S.R. Ron (male and female of Anolis podocarpus sp. n.).
Figure 1 from: Torres-Carvajal O, Ayala-Varela F (2010) A new species of dactyloid anole (Iguanidae, Polychrotinae, Anolis) from the southeastern slopes of the Andes of Ecuador. ZooKeys 53: 59-73. https://doi.org/10.3897/zookeys.53.456
Figure 1 - Two species of Anolis from eastern Ecuador. Anolis podocarpus sp. n.: holotype male (A, B, QCAZ 10126), female (C, D, QCAZ 10127), female (E, QCAZ 10129), juvenile (F, QCAZ 6200); Anolis fitchi: male (G, QCAZ 8770), female (H, QCAZ 9707). Photographs by L.A. Coloma (male of Anolis fitchi), F. Ayala-Varela (juvenile of Anolis podocarpus sp. n. and female of Anolis fitchi) and S.R. Ron (male and females of Anolis podocarpus sp. n.).
Figure 3 from: Torres-Carvajal O, Ayala-Varela F (2010) A new species of dactyloid anole (Iguanidae, Polychrotinae, Anolis) from the southeastern slopes of the Andes of Ecuador. ZooKeys 53: 59-73. https://doi.org/10.3897/zookeys.53.456
Figure 3 - Male dewlap of Anolis fitchi (A, QCAZ 9028) and Anolis podocarpus sp. n. (B, QCAZ 10126) in lateral view. Scale bar = 5 mm. Illustrations by D. Paucar-Guerrero.
Figure 4 from: Torres-Carvajal O, Ayala-Varela F (2010) A new species of dactyloid anole (Iguanidae, Polychrotinae, Anolis) from the southeastern slopes of the Andes of Ecuador. ZooKeys 53: 59-73. https://doi.org/10.3897/zookeys.53.456
Figure 4 - Head of the holotype (QCAZ 10126) of Anolis podocarpus sp. n. in dorsal (top), lateral (middle), and ventral (bottom) views. Photographs by L. Bustamante. Scale bar = 10 mm.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
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