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3,538 results for “lizard”
Lizard pitfall trap data from 11 NPP study locations at the Jornada Basin LTER site, 1989-2006
This data package contains data on lizards sampled by pitfall traps located at 11 consumer plots at Jornada Basin LTER site from 1989-2006. The objective of this study is to observe how shifts in vegetation resulting from desertification processes in the Chihuahaun desert have changed the spatial and temporal availability of resources for consumers. Desertification changes in the Jornada Basin include changes from grass to shrub dominated communities and major soil changes. If grassland systems respond to rainfall without significant lags, but shrub systems do not, then consumer species should reflect these differences. In addition, shifts from grassland to shrubland results in greater structural heterogeneity of the habitats. We hypothesized that consumer populations, diversity, and densities of some consumers will be higher in grasslands than in shrublands and will be related to the NPP of the sites. Lizards were captured in pitfall traps at the 11 LTER II/III consumer plots (a subset of NPP plots) quarterly for 2 weeks per quarter. Variables measured include species, sex, recapture status, snout-vent length, total length, weight, and whether tail is broken or whole. This study is complete.
Flying Dragon (Draco volans) lizard brain illustration
<p>3D model of the Flying Dragon lizard brain highlighting the anatomy and the spatial arrangement of its major subdivisions.</p> <p>The brain reconstruction was obtained from a microCT scan of a iodine-stained specimen through manual segmentation using the software Amira 5.5.0.</p> <p>Other illustrations can be found <strong><a href="https://zenodo.org/search?page=1&size=20&q=keywords:%22squamate%20brain%22">here</a></strong>.</p> <p><em>If you are interested in reptile brain evolution and behavior, please, have a look to our recent publication:</em></p> <p><a href="https://www.nature.com/articles/s41467-019-13405-w"><em><strong>"Comparative analysis of squamate brains unveils multi-level variation in cerebellar architecture associated with locomotor specialization"</strong></em></a></p> <p><strong>Simone Macrì, Yoland Savriama, Imran Khan & Nicolas Di-Poï</strong></p> <p><em>Nature Communications</em> <strong>10, </strong>5560 (2019)</p> <p> </p> <p><em>Check out also our *4K* video collection of various snake and lizard 3D brains:</em></p> <p><strong><a href="https://www.youtube.com/playlist?list=PLgx4vtT32C8hqxG_icKiuXGtZVLVX-oG1">Snake and Lizard brain reconstructions video collection</a></strong></p> <p> </p> <p>For any inquiries or additional information, please, refer to the contacts provided in the <strong><a href="https://www.nature.com/articles/s41467-019-13405-w">article</a></strong>.</p>
Fire Skink (Lepidothyris fernandi) lizard brain illustration
<p>3D model of the Fire Skink lizard brain highlighting the anatomy and the spatial arrangement of its major subdivisions.</p> <p>The brain reconstruction was obtained from a microCT scan of a iodine-stained specimen through manual segmentation using the software Amira 5.5.0.</p> <p>Other illustrations can be found <strong><a href="https://zenodo.org/search?page=1&size=20&q=keywords:%22squamate%20brain%22">here</a></strong>.</p> <p>If you are interested in reptile brain evolution and behavior, please, have a look to our recent publication:</p> <p><a href="https://www.nature.com/articles/s41467-019-13405-w"><em><strong>"Comparative analysis of squamate brains unveils multi-level variation in cerebellar architecture associated with locomotor specialization"</strong></em></a></p> <p><strong>Simone Macrì, Yoland Savriama, Imran Khan & Nicolas Di-Poï</strong></p> <p><em>Nature Communications</em> <strong>10, </strong>5560 (2019)</p> <p> </p> <p><em>Check out also our *4K* video collection of various snake and lizard 3D brains:</em></p> <p><strong><a href="https://www.youtube.com/playlist?list=PLgx4vtT32C8hqxG_icKiuXGtZVLVX-oG1">Snake and Lizard brain reconstructions video collection</a></strong></p> <p> </p> <p>For any inquiries or additional information, please, refer to the contacts provided in the <strong><a href="https://www.nature.com/articles/s41467-019-13405-w">article</a></strong>.</p>
Acclimation to water restriction implies different paces for behavioral and physiological responses in a lizard species
<p>Raw data of the article "Acclimation to Water Restriction Implies Different Paces for Behavioral and Physiological Responses in a Lizard Species" by Rozen-Rechels D. et al., published in Physiological and Biochemical Zoology 93(2):160-174 in 2020 (https://doi.org/10.1086/707409). These data are freely available in csv format. See the readme file for metadata explanation.</p> <p>Data were formatted by the first author David Rozen-Rechels and collected according to standards and procedures described in the companion journal article.</p> <p> </p>
Lizards from warm and declining populations are born with extremely short telomeres
<p>These two datasets report the information at the populational ("Population_Biogeography2017-2018.csv") and individual ("Telomere_Zootocavivipara_2015-2017.csv") levels. At populational level, we studied the covariation of multiple biogeographic measures to obtain an integrative index of population extinction risk. At individual level, we examined what factors best explained the variation in lizard telomere length.</p> <p>We also uploaded the R code ("DataAnalysis_Telomerelizards_AndreazDupoue.R") used to analyse these data, in which we detailed all variables.</p>
Mesquita et al, 2015: Life history data of lizards of the world (1014) DwCA
Daniel O. Mesquita, Guarino R. Colli, Gabriel C. Costa, Taís B. Costa, Donald B. Shephard, Laurie J. Vitt, and Eric R. Pianka. 2015. Life history data of lizards of the world. Ecology 96:594. <p></p>http://dx.doi.org/10.1890/14-1453.1<p></p>Daniel O. Mesquita, Guarino R. Colli, Gabriel C. Costa, Taís B. Costa, Donald B. Shephard, Laurie J. Vitt, and Eric R. Pianka. 2015. Life history data of lizards of the world. Ecology 96:594. <p></p>http://dx.doi.org/10.1890/14-1453.1
Divergent evolution between sister species of European green lizards
<p>Annotation and variant calling files (VCFs, heffas) for <em>L. viridis </em>and<em> L. bilineata.</em> The variants have been called with <em>L. viridis</em> genome as reference.</p>
Size, age, telomere and ecophysiology data of Gallotia galloti lizard species sampled in Tenerife
<p>The dataset is used in the manuscript "Nina Serén, Rodrigo Megía-Palma, Tatjana Simčič, Miha Krofel, Fabio Maria Guarino, Catarina Pinho, Anamarija Žagar, Miguel A. Carretero. Functional responses in a lizard along a 3.5 km altitudinal gradient. Journal of Biogeography (under review)."</p> <p>The dataset consists of measurements of individual lizards of the species Gallotia galloti, each tagged with a unique CODE. Data include year of sampling, population name, exact elevation (in meters above sea level) and approximate elevation (rounded to the nearest hundred, in meters), and sex. Measurements were as follows: Snout Vent Length (in millimeters), Mass (in grams), AGE_Consensus (in years), Relative Telomere Length, PMA(29ºC, 33 ºC and 37ºC) (Potential metabolic activity measured at experimental conditions of 29˚C, 33ºC and 37ºC, respectively,in µLO2/mg prot/h), Catalase (in relative units U/mg protein), EWLa (accumulated evaporative water loss (in grams) and Temperature_8AM-5PM (measurements of cloacal temperature at hourly intervals starting at 8AM and ending at 5PM).</p>
Anoline Lizard Food Habits
<p>The stomach contents of 10 adult individuals of each of three anole species (Anolis gundlachi, A. evermanni, and A. stratulus) were collected to determine the number, type, and volume of prey consumed following Hurricane Hugo. Gut contents were identified to the lowest taxon possible and were measured.</p>
Figure 3 in A new species of iguanid lizard (Hoplocercinae, Enyalioides) from southern Ecuador with a key to eastern Ecuadorian Enyalioides
Figure 3. Two species of Enyalioides. Juvenile (A, B, QCAZ 8454), females (C, D, QCAZ 8457; E, F, QCAZ 8458), and male (G, QCAZ 8460) of E. rubrigularis sp. n.; male of E. praestabilis (H, KU 169854). Photographs by O. Torres-Carvajal (A-G) and W. E. Duellman (H).
Figure 2 in A new species of iguanid lizard (Hoplocercinae, Enyalioides) from southern Ecuador with a key to eastern Ecuadorian Enyalioides
Figure 2. Ventral view of thigh in two species of Enyalioides. Top: E. praestabilis (QCAZ 8821, adult male, SVL = 110 mm); bottom: E. rubrigularis sp. n. (QCAZ 8459, adult male, SVL = 122 mm). Photographs by O. Torres-Carvajal.
FIG. 3. — A, B in The Cenozoic lizard record of the Pampean Region
FIG. 3. — A, B, Huayquerian caudal vertebra of Tupinambis sp. (GHUNLPam 2313) in anterior (A) and lateral (B) views; C, Huayquerian right dentary of Ameiva Meyer, 1795 or Kentropyx Spix, 1825 (GHUNLPam 21745) in lateral view; D, Montehermosan right dentary of Tupinambis sp. (MACN 14311) in lateral view; E, Montehermosan left dentary of Tupinambis sp. (MACN 14313) in lateral view; F, Montehermosan left hemimadible of Tupinambis sp. (MACN 14312) in lateral view; G-I, Montehermosan Callopistes bicuspidatus (PVL 4818), frontal in dorsal view (G), partial skull in lateral view (H) and left hemimandible in medial view (I); J, Marplatan left dentary of Tupinambis sp. (MACN 17136) in medial view. Scale bars: A, B, D-F, J, 5 mm; C, 1 mm; G-I, 2 mm.
Data from: Proximate and ultimate drivers of variation in bite force in the insular lizards Podarcis melisellensis and Podarcis sicula
<p>Bite force is a key performance trait in lizards since biting is involved in many ecologically relevant tasks, including foraging, fighting, and mating. Several factors have been previously suggested to impact bite force in lizards, such as head morphology (proximate factors), or diet, intraspecific competition, and habitat characteristics (ultimate factors). However, these have been generally investigated separately and mostly at the interspecific level. We tested which factors drive variation in bite force at the population level and to what extent. Our study includes 20 populations of two closely-related lacertid species, <i>Podarcis melisellensis </i>and <i>Podarcis sicula</i>, which inhabit islands in the Adriatic. We found that lizards with more forceful bites have relatively wider and taller heads, and consume more hard prey and plant material. Island isolation correlates with bite force, likely by driving the resource availability. Bite force is only poorly explained by proxies of intraspecific competition. The linear distance from a large island and the proportion of difficult-to-reduce food items consumed are the ultimate factors that explain most of the variation in bite force. Our findings suggest that the way in which morphological variation affects bite force is species-specific, likely reflecting the different selective pressures operating on the two species.</p>
Figure 2 in Activity and reproductive patterns of lizards in the Chaco of Argentina
Figure 2. Number of lizards captured during the study. Abbreviations: Tt: Teius teyou, Sd: Stenocercus doellojuradoi, Te: Tropidurus etheridgei, Lch: Liolaemus chacoensis, Hf: Homonota fasciata, Lp: Leiosaurus paronae, Vr: Vanzosaura rubricauda, Tr: Tupinambis rufescens, Md: Mabuya dorsivittata, Cs: Cnemidophorus serranus, Lsp: Liolaemus sp.
Figure 1 in Conservation in a changing landscape: habitat occupancy of the critically endangered Tennent's leaf-nosed lizard (Ceratophora tennentii) in Sri Lanka
Figure 1. Location of Knuckles forest reserve within Kandy and Matale Districts (left) and the four study sites [two at Riverston (1 and 2), Hunasgiriya (3) and Deanston (4)] within the reserve (right).
Figure 3 in Conservation in a changing landscape: habitat occupancy of the critically endangered Tennent's leaf-nosed lizard (Ceratophora tennentii) in Sri Lanka
Figure 3. Comparison of climatic and structural parameters among the four habitat types during the dry (dashed line) and wet (solid line) seasons. Data from both locations with lizards and random locations are considered in combination. (C = Cardamom plantations, M = Mixed cardamom forests, N = Natural forests, P = Pine plantations.)
Figure 2 in Conservation in a changing landscape: habitat occupancy of the critically endangered Tennent's leaf-nosed lizard (Ceratophora tennentii) in Sri Lanka
Figure 2. Mean number of sightings of Ceratophora tennentii within three habitat types at Knuckles Range, Sri Lanka.
Figure 1 in Multiple paths to aquatic specialisation in four species of Central American Anolis lizards
Figure 1. Plots of the four principal component (PC) axes for males (A + B) and females (C + D). Species denoted as follows: Anolis aquaticus (blue squares), A. lionotus (black diamonds), A. oxylophus (yellow triangles) and A. poecilopus (red circles). (A) PC 1 (head length and width) plotted against PC 2 (body height/body width) for males. (B) PC 3 (hindlimb length) plotted against PC 4 (forelimb length) for males. (C) PC 1 (fore- and hindlimb length) plotted against PC 2 (head length) for females. (D) PC 3 (head height and inter-limb length) plotted against PC 4 (jaw lever) for females.
Interaction of hydric and thermal conditions drive geographic variation in thermoregulation in a widespread lizard
<p>Raw data and scripts of the article "Interaction of hydric and thermal conditions drive geographic variation in thermoregulation in a widespread lizard" by Rozen-Rechels D. et al., in Ecological Monographs. These data are freely available in csv format. See the readme file for metadata explanation.</p> <p>Data were formatted by the first author David Rozen-Rechels and collected according to standards and procedures described in the companion journal article.</p> <p> </p> <p>Abstract of the paper:</p> <p>Behavioral thermoregulation is an efficient mechanism to buffer the physiological effects of climate change. Thermal ecology studies have traditionally tested how thermal constraints shape thermoregulatory behaviors without accounting for the potential major effects of landscape structure and water availability. Thus, we lack a general understanding of the multifactorial determinants of thermoregulatory behaviors in natural populations. In this study, we quantified the relative contribution of elevation, thermal gradient, moisture gradient and landscape structure in explaining geographic variation in thermoregulation strategies of a terrestrial ectotherm species. We measured field active body temperature, thermal preferences and operative environmental temperatures to calculate thermoregulation indices, including thermal quality of the habitat and thermoregulation efficiency for a very large sample of common lizards (<em>Zootoca vivipara</em>) from 21 populations over 3 years across the Massif Central mountain range in France. We used an information-theoretic approach to compare eight <em>a priori</em> thermo-hydroregulation hypotheses predicting how behavioral thermoregulation should respond to environmental conditions. Environmental characteristics exerted little influence on thermal preference with the exception that females from habitats with permanent access to water had lower thermal preferences. Field body temperatures and accuracy of thermoregulation were best predicted by the interaction between air temperature and a moisture index. In mesic environments, field body temperature and thermoregulation inaccuracy increased with air temperature, but they decreased in drier habitats. Thermoregulation efficiency (difference between thermoregulation inaccuracy and the thermal quality of the habitat) was maximized in cooler and more humid environments and was mostly influenced by the thermal quality of the habitat. Our study highlights complex patterns of variation in thermoregulation strategies, which are mostly explained by the interaction between temperature and water availability, independent of the elevation gradient or thermal heterogeneity. Although changes in landscape structure were expected to be the main driver of extinction rate of temperate zone ectotherms with ongoing global change, we conclude that changes in water availability coupled with rising temperatures might have a drastic impact on the population dynamics of some ectotherm species.</p>
Dataset: Information content of ultraviolet-reflecting color patches and visual perception of body coloration in the Tyrrhenian wall lizard Podarcis tiliguerta
<p>These are the data sets and R script corresponding to the scientific publication with the same title and authors.</p> <p>Description of these files is available in the file Note.pdf</p>
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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)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.