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836 results for “Toads”
FIGURE 1 in Tadpole of the Critically Endangered Sterling's Toothed Toad (Oreolalax sterlingae)
FIGURE 1. (A) Stream at type locality of Oreolalax sterlingae, on Mount Fansipan, where tadpoles were observed (B‒C) Oreolalax sterlingae tadpoles in situ.
FIGURE 1 in The advertisement call of the toad Rhinella humboldti (Bufonidae)
FIGURE 1. Graphic representations of an advertisement call of the toad Rhinella humboldti. Upper: An oscillogram showing four pulses per note; middle: oscillogram of a whole call with 79 notes and a calling male; below: spectrogram (left) and power spectrum (right) of the call.
Effects of artificial light at night on urban and rural spiny toads Bufo spinosus
<p>The dataset contains the results from several experiments on the response to artificial light at night of adult males of spiny toads (Bufo spinosus). Toads originated from 3 rural sites and 3 rural sites in western France. The tests were carried out in March and April 2023.</p> <ol> <li>Exploration behaviour in testing arena</li> <li>Sensitivity to glare in testing arena</li> <li>Crossing of light obstacle (light strip in a dark testing corridor)</li> <li>Pupillary light reflex</li> <li>Change in body weight between the start and the end of the experiment</li> </ol>
Netsuke - Crapaud (Toad) sur sandale
Réalisation personnelle effectuée dans le cadre de travaux de test et de maintenance de matériel. Modélisation réalisée grâce au matériel d'Alienor.org (https://sketchfab.com/alienor.org) avec l'aimable autorisation du conseil d'administration. Source: Objaverse 1.0 / Sketchfab
Fig. 3 in Fluctuating asymmetry and oxidative stress indicate environmental stress of Cane toads Rhinella marina
Fig. 3. Antioxidant enzyme activity and oxidative stress of R. marina. a) SOD activity, b) Total antioxidant capacity units are Trolox nmol, c) Lipid peroxidation. Different letters show different means.
Fig. 2 in Fluctuating asymmetry and oxidative stress indicate environmental stress of Cane toads Rhinella marina
Fig. 2. а) Spatial conformation of landmarks to testing FA of the body of toads that consisted of 22 landmarks, where landmarks 1 and 12 were located on axis of the symmetry. b) The Procrustes consensus for all original and reflected configurations, being perfectly symmetric. c) The fluctuating asymmetry is shown as the difference between the averages of all original and reflected configurations (black dots). For comparison, the plot shows the overall symmetric (grey dots) and asymmetric Procrustes consensus and reflects variation of landmarks in left and right sides.
Fig. 1 in Fluctuating asymmetry and oxidative stress indicate environmental stress of Cane toads Rhinella marina
Fig. 1. Traits measured for fluctuating asymmetry assessment of the toad R. marina. Radius-Ulna (RU), Humerus (Hu), Femur (F), Tibia-Fibula (TF), Tarsal, Metatarsal, Phalange (TMPh 1,2,3,4,5), Abdomen (Ab), Head (He). We measured the distance from the right side (Rw) and left side (Lw).
Supplementary material 1 from: Caicedo-Martínez LS, Henao-Osorio JJ, Arias-Monsalve HF, Rojas-Morales JA, Ossa-López PA, Rivera-Páez FA, Ramírez-Chaves HE (2024) A new species of terrestrial toad of the Rhinella festae group (Anura, Bufonidae) from the highlands of the Central Cordillera of the Andes of Colombia. ZooKeys 1196: 149-175. https://doi.org/10.3897/zookeys.1196.114861
Estimates of divergence between sequences based on p-distance method for the mitochondrial 16S rRNA gene
Data for: Interplay of abiotic conditions, density, and body size in shaping demography in a high-elevation toad population
<p>This dataset is used to estimate vital rates of a common toad (<em>Bufo bufo</em>) alpine population, and how they are associated with either abiotic (environmental conditions), biotic (in our case population size), and individual factors (body size). We have individual capture histories for the period 1993-2020 for 1615 males and 933 females, as well as body size measurements taken during capture events. For more info about the study system see: https://peercommunityjournal.org/articles/10.24072/pcjournal.240/</p> <p>We run a capture-mark-recapture model coupled with a growth model, the latter to obtain information on body size for the years when the individuals were not captured. Aside from sex-specific survival, we estimate female breeding probability, since they show intermittent breeding. We include as covariates for these vital rates the length of the active season, the temperature at emergence from hibernation, population size, and body size. </p> <p>We obtained climatic data for the period 1980–2020 from the DaymetCH dataset (data obtained from Bioclimatic maps of Switzerland © WSL, based on station data from the Federal Office of Meteorology and Climatology MeteoSwiss, and elaborated by the Land Change Science group, WSL).</p> <p>The README file further describes each uploaded file</p>
Larval and metamorph traits of cane toads
<p><span>As an invasive organism spreads into a novel environment, it may encounter strong selective pressures to adapt to abiotic challenges. We examined the effect of water temperature during larval life on rates of survival and growth of the early life-history stages of cane toads (<i>Rhinella marina</i>) from two geographic regions (tropical vs. temperate) in the species' invaded range in eastern Australia. If local adaptation at the southern (cool-climate) invasion front has extended the cold-tolerance of early life-stages, we would expect to see higher viability of southern-population toads under cooler conditions. Our comparisons revealed no such divergence: the effects of water temperature on rates of larval survival and growth, time to metamorphosis, size at metamorphosis and locomotor performance of metamorphs were similar in both sets of populations. In two cases where tropical and temperate-zone populations diverged in responses to temperature, the tropical animals performed better at low to medium temperatures than did conspecifics from cooler regions. Adaptation to low temperatures in the south might be constrained by behavioural shifts (e.g., in reproductive seasonality, spawning-site selection) that allow toads to breed in warmer water even in cool climates, by gene flow from warmer-climate populations, or by phylogenetic conservatism in these traits.</span></p>
FIGURE 1 in Larval external morphology and chondrocranium of Leptobrachella bidoupensis (Anura: Megophryidae), an endemic litter toad from southern Vietnam
FIGURE 1. External morphology of the Leptobrachella bidoupensis tadpole (ZMMU A-7618, Stage 26, TL 41.6 mm, SVL 15.7 mm): (A) dorsal view; (B), lateral view; (C) oral disc; (D) jaw sheaths; (E) narial ornamentation. (F) Young metamorph (Stage 45, TL 25.5 mm, SVL 18.4 mm). (G) Habitat of L. bidoupensis on Bidoup Mountain, Bidoup–Nui Ba National Park, Vietnam.
FIGURE 2 in Larval external morphology and chondrocranium of Leptobrachella bidoupensis (Anura: Megophryidae), an endemic litter toad from southern Vietnam
FIGURE 2. Larval chondrocranium in Leptobrachella bidoupensis (Stage 26, TL 57.4 mm, SVL 19.5 mm): (A) chondrocranium, dorsal view; (B) lower jaw, frontal view; and (C) hyobranchial apparatus, ventral view. Abbreviations: ac articular condyle, appq ascending process of the palatoquadrate, ar adrostral cartilage, bb basibranchial, cbr ceratobranchials, chy ceratohyal, exo exoccipital bone, hbp hypobranchial plate, irc infrarostral cartilage, Mc Meckel's cartilage, mp muscular process, oc otic capsule, pp posterior process, pq palatoquadrate, pro prootic bone, qcc quadratocranial commissure, sb subocular bar, sp spicule, src suprarostral cartilage, th trabecular horns, ts tectum synoticum, ubp urobranchial process. Scale bar 1 mm.
FIGURE 2. Bayesian Inference phylogenetic tree including species from Brachycephalus didactylus and B in New species of flea-toad, genus Brachycephalus (Anura: Brachycephalidae) from the Atlantic Forest of Espírito Santo, Brazil
FIGURE 2. Bayesian Inference phylogenetic tree including species from Brachycephalus didactylus and B. ephippium groups occurring northward the state of São Paulo, based on 12S + 16S (1,152 bp, 42 terminals) genes, under GTR+G model of nucleotide substitution. We highlight the three phenotypic groups. Tip labels of Brachycephalus puri sp. nov. are in bold. Numbers close to nodes are Bayesian posterior probabilities (BPP). Values below 0.7 not shown.
FIGURE 3 in New species of flea-toad, genus Brachycephalus (Anura: Brachycephalidae) from the Atlantic Forest of Espírito Santo, Brazil
FIGURE 3. Dorsal (A) and ventral (B) views of the Brachycephalus puri sp. nov., holotype (adult male, MZUSP 135709; SVL 9.2 mm). Scale = 1 mm.
FIGURE 1 in New species of flea-toad, genus Brachycephalus (Anura: Brachycephalidae) from the Atlantic Forest of Espírito Santo, Brazil
FIGURE 1. Map of Parque Nacional do Caparaó (PARNA Caparaó). We highlight (A) the state of Espírito Santo in southeastern Brazil, and (B) the location of PARNA Caparaó at the border of Espírito Santo (ES) and Minas Gerais (MG) states. In PARNA Caparaó (C, bordered) we highlight the type locality, Córrego do Calçado (star), and other sites sampled during surveys: (1) Alto Caparaó headquarters, (2) trail Pico das Bandeiras, (3) Vale Verde, (4) Pedra Roxa, (5) São Jorge's cave, (6) Patrimônio do Sapo, (7) Pedra Escorada, (8) Patrimônio da Penha, (9) Córrego do Veado, (10) Morro das Torres, (11) Córrego Frio, and (12) Dores do Rio Preto.
FIGURE 4 in A new species of red toad, Schismaderma Smith, 1849 (Anura: Bufonidae), from central Angola
FIGURE 4. RAXML (Maximum Likelihood) phylogeny derived from the full DNA dataset with MrBayes (Bayesian Inference) support overlaid.
FIGURE 8 in A new species of red toad, Schismaderma Smith, 1849 (Anura: Bufonidae), from central Angola
FIGURE 8. Ventral surface and tuberculation of left hand and feet in Schismaderma. A–B. S. carens, adult male (PEM A10766). C–D. S. carens, adult male (PEM A2523). E–F. S. branchi sp. nov. paratype, adult female (PEM A14246). G–H. S. branchi sp. nov. holotype, adult male (ZMB 91630). Photographs by W.R. Branch (A–D) and N.L. Baptista (E–H).
FIGURE 3 in A new species of red toad, Schismaderma Smith, 1849 (Anura: Bufonidae), from central Angola
FIGURE 3. Life colour of Schimaderma carens, showing typical pattern with dorsum varying from bright red to orange-grey and mid-dorsal dark spots usually present. All photographs by Louis Du Preez.
FIGURE 7. A–C in A new species of red toad, Schismaderma Smith, 1849 (Anura: Bufonidae), from central Angola
FIGURE 7. A–C. Dorsal, ventral, and lateral view of preserved Schismaderma branchi sp. nov. paratype female (PEM A14246). Photographs by W.R. Branch.
FIGURE 11 in A new species of red toad, Schismaderma Smith, 1849 (Anura: Bufonidae), from central Angola
FIGURE 11. Photographs of live individuals of Schismaderma branchi sp. nov. A. Live adult female paratype (PEM A14246) B. Mating ball. C. Pair in amplexus. D. Female and recently laid eggs. E. Egg strings. F. Habitat and tadpoles in schools. Photographs A–D, F by P. Vaz Pinto; photograph E by K. Luchansky.
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.
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.