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ShareScore release 0.9.0
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29 results for “leopard frogs”
Laboratory study on microplastic fiber size and concentration effects on leopard frog (Lithobates pipiens) tadpole survival, development, behavior, and parasite susceptibility
This dataset contains comprehensive raw data from a completed laboratory experiment conducted from May 24 to June 30, 2021 (with additional analysis performed in 2025), investigating the effects of polyester microplastic (MP) fiber exposure on northern leopard frog (Lithobates pipiens) tadpoles and their interactions with echinostome trematodes (Echinostoma sp.). Tadpole egg masses were collected from a wetland in Indiana, USA, and ramshorn snails (Helisoma trivolvis), serving as trematode hosts, were collected from Tioga County, New York, USA. The experiment was conducted under controlled laboratory conditions using a static-renewal design, exposing tadpoles to short (~0.24 mm) or long (~1.50 mm) polyester MP fibers at concentrations of 0, 10, or 40 µg L⁻¹ for 32 days, followed by controlled exposure to echinostome cercariae. The dataset includes measurements of tadpole mortality, developmental traits (mass, snout-to-vent length, Gosner stage), behavioral activity (number of moving pre- and post-parasite exposure), MP fiber ingestion, and susceptibility to trematode infection (metacercarial cyst counts in kidneys). These data provide a resource for studying the ecological and toxicological impacts of microplastics on amphibian health, and host-parasite dynamics in freshwater ecosystems, making the dataset suitable for researchers in ecotoxicology, and disease ecology. The dataset is complete, with no ongoing data collection, and is designed to support analyses of microplastic-mediated effects on aquatic organisms.
Over the hills and through the farms: Land use and topography influence genetic connectivity of northern leopard frog (Rana pipiens) in the Prairie Pothole Region
<p><em>Context</em></p> <p>Agricultural land-use conversion has fragmented prairie wetland habitats in the Prairie Pothole Region (PPR), an area with one of the most wetland-dense regions in the world. This fragmentation can lead to negative consequences for wetland obligate organisms, heightening risk of local extinction and reducing evolutionary potential for populations to adapt to changing environments.</p> <p><em>Objectives</em></p> <p>This study models biotic connectivity of prairie-pothole wetlands using landscape genetic analyses of the northern leopard frog (<em>Rana pipiens</em>) to: (1) identify population structure and (2) determine landscape factors driving genetic differentiation and possibly leading to population fragmentation.</p> <p><em>Methods</em></p> <p>Frogs from 22 sites in the James River and Lake Oahe river basins in North Dakota were genotyped using Best-RAD sequencing at 2868 bi-allelic single nucleotide polymorphisms (SNPs). Population structure was assessed using STRUCTURE, DAPC, and fineSTRUCTURE. Circuitscape was used to model resistance values for ten landscape variables that could affect habitat connectivity.</p> <p><em>Results</em></p> <p>STRUCTURE results suggested a panmictic population, but other more sensitive clustering methods identified six spatially organized clusters. Circuit theory-based landscape resistance analysis suggested land use, including cultivated crop agriculture, and topography were the primary influences on genetic differentiation.</p> <p><em>Conclusions</em></p> <p>While the <em>R. pipiens</em> populations appear to have high gene flow, we found a difference in the patterns of connectivity between the eastern portion of our study area which was dominated by cultivated crop agriculture, versus the western portion where topographic roughness played a greater role. This information can help identify amphibian dispersal corridors and prioritize lands for conservation or restoration.</p>
Survey data and individual characterists for northeastern leopard frogs
<p>Data supporting Schlesinger, M.D. et al. In press. Follow-up ecological studies for cryptic species discoveries: decrypting the leopard frogs of the eastern U.S. PLOS ONE.</p>
Over the hills and through the farms: Land use and topography influence genetic connectivity of northern leopard frog (Rana pipiens) in the Prairie Pothole Region
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Distinguishing intraspecific from interspecific variation in the leopard frog species complex
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Data from: Transcriptomic evidence for visual adaptation during the aquatic to terrestrial metamorphosis in leopard frogs
<p>Data from: Transcriptomic evidence for visual adaptation during the aquatic to terrestrial metamorphosis in leopard frogs</p>
Data from: Diverse relationships between Batrachochytrium infections and antimicrobial peptide defenses across leopard frog populations
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Data from: Characterizing population structure and documenting rapid loss of genetic diversity in Chiricahua Leopard Frogs (Lithobates chiricahuensis) with high throughput microsatellite genotyping
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FIG. 3 in Morphological Change during Rapid Population Expansion Confounds Leopard Frog Identifications in the Southwestern United States
FIG. 3. Distribution of morphometric characters for Rana berlandieri (Rb), uncertain individuals, and Rana yavapaiensis (Ry). Trait values are log transformed. Different letters indicate significant differences between groups based on Tukey multiple comparison tests (ANOVA, P, 0.05). Abbreviations as in Table 2.
FIG. 4. Character states for the left and right dorsolateral folds for R in Morphological Change during Rapid Population Expansion Confounds Leopard Frog Identifications in the Southwestern United States
FIG. 4. Character states for the left and right dorsolateral folds for R. berlandieri, uncertain individuals, and R. yavapaiensis. Points along the dark line indicate individuals with the same character state for the left and right dorsolateral folds. See text for description of character states. We have applied a small amount of random noise to the points to enhance visibility.
FIG. 2 in Morphological Change during Rapid Population Expansion Confounds Leopard Frog Identifications in the Southwestern United States
FIG. 2. Map of southeastern California, USA depicting historical localities of Rana yavapaiensis (black dots), contemporary localities of Rana berlandieri (white dots), and the uncertain specimens that we examine here (red dots).
FIG. 1 in Morphological Change during Rapid Population Expansion Confounds Leopard Frog Identifications in the Southwestern United States
FIG. 1. Types of dorsolateral folds observed in Rana berlandieri and Rana yavapaiensis. These representations depict the right dorsolateral folds. The color of the medially inset, posterior folds (states 1–6) indicate similarity of the tissue to the primary dorsolateral folds (see text for more information). Black depicts posterior folds that are similar in appearance to the primary fold, and lighter shades of gray indicate skin features that are less pronounced than the raised, glandular tissue of the primary folds. State 1 is typical of R. berlandieri across its native range, and state 5 is typical of R. yavapaiensis. Modeled after Pace (1974: fig. 23).
FIG. 5 in Morphological Change during Rapid Population Expansion Confounds Leopard Frog Identifications in the Southwestern United States
FIG. 5. Majority rule consensus tree of the posterior distribution of trees from the Bayesian analysis of the concatenated alignment (two mitochrondrial and four nuclear markers, with the model of evolution for each marker specified in Table 1). Individuals with uncertain species identification are shown in bold. Numbers below nodes are estimated posterior probabilities. See Data Accessibility for tree file.
Figure 11 in Life history of the Rio Grande leopard frog (Lithobates berlandieri) in Texas
Figure 11. Monthly distribution of body sizes (snout-vent length, SVL) of 126 males, 128 females, 44 juveniles, and 11 metamorphoslings (four legs with a tail) of the Rio Grande leopard frog (Lithobates berlandieri) from Texas (USA).
Figure 9 in Life history of the Rio Grande leopard frog (Lithobates berlandieri) in Texas
Figure 9. Geographic variation in sexual-size dimorphism (SSD) in the Rio Grande leopard frog (Lithobates berlandieri) from Texas (USA) across latitude (a) and longitude (b). We calculated the SSD from counties that had at least two adult specimens of each sex using the Lovich and Gibbons (1992) index. Sample sizes to calculate mean snout-vent length (SVL) of males and females from each county were: Bexar (F = 36, M = 24); Brewster (F = 3, M = 2); Cameron (F = 41, M = 28); Glasscock (F = 4, M = 15); Hidalgo (F = 6, M = 7); Hudspeth (F = 2, M = 2); Irion (F = 5, M = 13); and Uvalde (F = 13, M = 17).
Figure 8 in Life history of the Rio Grande leopard frog (Lithobates berlandieri) in Texas
Figure 8. The relationship between body size (snout-vent length, SVL) and latitude (a) and longitude (b) in the Rio Grande leopard frog (Lithobates berlandieri) from Texas (USA). We selected the largest SVL from each county that had at least one adult specimen of each sex, which resulted in 30 specimens (15 males and 15 females) from 15 counties: Atascosa, Bexar, Brewster, Cameron, Coke, Concho, Glasscock, Hidalgo, Hudspeth, Irion, Jeff Davis, Kendall, Presidio, Regan and Uvalde.
Figure 10 in Life history of the Rio Grande leopard frog (Lithobates berlandieri) in Texas
Figure 10. Frequency of extensive fat and the presence of food in each of the four ovarian stages of 98 female Rio Grande leopard frogs (Lithobates berlandieri) from Texas (USA). See text for details on reproductive stages.
Figure 5 in Life history of the Rio Grande leopard frog (Lithobates berlandieri) in Texas
Figure 5. Monthly frequency of extensive fat in the body cavity and the presence of food in the stomach for 104 male (a) and 98 female (b) Rio Grande leopard frogs (Lithobates berlandieri) from Texas (USA).
Figure 6 in Life history of the Rio Grande leopard frog (Lithobates berlandieri) in Texas
Figure 6. Monthly ovarian cycle of 101 female Rio Grande leopard frogs (Lithobates berlandieri) from Texas (USA). See text for details on reproductive stages.
Figure 7 in Life history of the Rio Grande leopard frog (Lithobates berlandieri) in Texas
Figure 7. The relationship between clutch size and body size (snout-vent length, SVL) in 15 female Rio Grande leopard frogs (Lithobates berlandieri) from Texas (USA). Grey shading indicates a 95% confidence interval.
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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.
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.