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3,169 results for “bat”
Figure 1 in Physical clutter affects the use of artificial ponds by the Lesser Bulldog Bat Noctilio albiventris (Chiroptera: Noctilionidae)
Figure 1. Artificial pond at Universidad de los Llanos where the experiments using Noctilio albiventris were done. In the image is shown the situation using the highest density of obstacles.
Figure 2 in Physical clutter affects the use of artificial ponds by the Lesser Bulldog Bat Noctilio albiventris (Chiroptera: Noctilionidae)
Figure 2. Number of passes (A) and feeding buzzes (B) made by Noctilio albiventris in five-minutes recordings while foraging over an artificial pond with different levels of clutter: without obstacles (control), with one line of obstacles, and with two lines of obstacles. There were only significant differences between the control and the treatment with the highest clutter density. The line inside the boxes is the median, whereas the top and bottom are the 75 and 25 percentiles, respectively; the whiskers indicate the 90 and 10 percentiles, and the points are outliers.
Figure 1 in Phyllostomid bats distribution and richness gradient in a subtropical Brazilian state
Figure 1. Santa Catarina state (southern Brazil) and its main ecoregions, according to Olson et al. (2001).
Figure 2. Potential distribution for 10 in Phyllostomid bats distribution and richness gradient in a subtropical Brazilian state
Figure 2. Potential distribution for 10 species of phyllostomid bats from Santa Catarina, southern Brazil, generated through the Maxent algorithm and bioclimatic variables. The climate suitability values range from 0 (gray regions on the map) to 1 (red regions on the map). Black dots indicate the ocurrence records used to build the models.
Anthropomorphic Bat Statuette
High Poly model downloaded from Scan the World, retopologized and textured in Substance Painter. Couple hour long process. This was an exercise to take a high poly model, retopologize and decimate for optimization and use in AR and videogames. Custom height maps were used to mimic stone. Colors for depicting tonality through natural pigments. Anthropomorphic Bat Statuette Date 900 - 1600 AD Dimensión height, 10cm Medio Ceramic Crédito Found in Sierra Nevada de Santa Marta, Colombia Lugar Museum of Oro in Bogota Scan the World - The Open Source museum Source: Objaverse 1.0 / Sketchfab
Tracks for Egyptian fruit bats included in the field manipulation for testing the use of the communal roost as an information center hypothesis
<p>According to the Information Centre Hypothesis (ICH), colonial species use social information in roosts to locate ephemeral resources. Validating the ICH necessitates showing that uninformed individuals follow informed ones to the new resource. However, the following behavior may not be essential when not all resources are ephemeral. For instance, Egyptian fruit bats forage on spatially predictable trees, but some bear fruit at unpredictable times. These circumstances suggest an alternative ICH pathway in which bats learn when fruits emerge from social cues in the roost but then use spatial memory to locate them without following conspecifics. Here, using a unique field manipulation and high-frequency tracking data, we test for this alternative pathway: We introduced bats smeared with the fruit odor of the unpredictably fruiting <em>Ficus sycomorus </em>trees to the roost, when they bore no fruits, and then tracked the movement of conspecifics exposed to the manipulated social cue. As predicted, bats visited the <em>F. sycomorus</em> trees with significantly higher probabilities than during routine foraging trips (of >200 bats). Our results show how the integration of spatial memory and social cues leads to efficient resource tracking and highlight the value of using large movement datasets and field experiments in behavioral ecology.</p>
Datasets for Twort et al. Signals of positive selection in Palearctic bat species coexisting with a fungal pathogen
<p>Datasets used in Twort et al: Signals of positive selection in Palearctic bat species coexisting with a fungal pathogen</p> <p>Included are final gene alignments and tree files from the Phylogenetic Dataset (2515 genes) and the curated dataset (300 genes).</p> <p>Phylogenetic Dataset Files:</p> <ul> <li>BUSCO Dataset: 2515 genes extracted from the Mammalia_odb10 BUSCO database. This dataset was used for phylogeney construction and branch tests</li> <li>Align_BUSCO: Contains the final cleaned alignments used for the 2515 Phylogenetic dataset genes (after gblocks) in fasta format</li> <li>Contree_BUSCO.zip: Contains the consensus tree constructed with IQ-Tree for the 2,515 phylogenetic gene dataset (used as input for ASTRAL,and for branch tests) </li> <li>Ufboot_BUSCO.zip: Contains the bootstrap trees from IQ-Tree for the 2,515 gene dataset</li> <li>Branch_Myoluc_labelled_BUSCO.zip: Final labelled trees, with Myotis lucifugus labelled as foreground branch from the 2,515 gene dataset used for PAML branch tests, all bootstrap values and branch lengths have been removed.</li> <li>Branch_Myomyo_labelled_BUSCO.zip: Final labelled trees, with Myotis myotis labelled as foreground branch from the 2,515 gene dataset used for PAML branch tests, all bootstrap values and branch lengths have been removed.</li> </ul> <p>Curated Dataset Files:</p> <ul> <li>PAML Dataset - 300 gene set, This dataset was used for codon tests (PAML)</li> <li>Align_Paml: Contains the final cleaned alignments for the 300 gene dataset (after gblocks) in fasta format</li> <li>Contree_PAML: Contains the consensus trees constructed with IQ-Tree for the 300 gene dataset </li> </ul> <p>Version 2 corrects a sample labelling mistake present in Version 1.</p>
Supplementary information from: A systematic review of trace elements in the tissues of bats (Chiroptera)
<p>Bats constitute about 22% of known mammal species; they have various ecological roles and provide many ecosystem services. Bats suffer from several threats caused by anthropization, including exposure to toxic metals and metalloids. In our systematic review, we analyzed 75 papers to investigate how species, diet, and tissue type impact bioaccumulation in bat species all over the world. Most studies documented element accumulation in fur, liver, and kidney; at least 36 metals and metalloids have been measured in bat tissues, among the most studied were mercury and zinc. Comparisons with known toxicological thresholds for other mammals showed concerning values for mercury and zinc in bat hair, lead and some essential metals in liver, and iron and calcium in kidneys. Moreover, accumulation patterns in tissues differed depending on bat diet: insectivorous bats showed higher metal concentrations in fur than in liver and kidney while frugivorous species showed higher values in liver and kidney than in fur. This review points out several information gaps in the understanding of metal contamination in bats, including a lack of measured toxicity thresholds specific for bat tissues. Data on trace element bioaccumulation and its associated health effects on bats is important for conservation of bat species, many of which are threatened.</p>
Torpor use in the wild by one of the world's largest bats
<p>Torpor is widespread among bats, presumably because most species are small and torpor greatly reduces their high mass-specific resting energy expenditure, especially in the cold. Torpor has not been recorded in any bat species larger than 50 g, yet in theory could be beneficial even in the world's largest bats (flying foxes; <em>Pteropus</em> spp.) that are exposed to adverse environmental conditions associated with energy bottlenecks. We used temperature telemetry to measure body temperature in wild-living adult male grey-headed flying foxes (<em>P. poliocephalus</em>; mean body mass: 799 g) during winter in southern Australia. We found that all individuals used torpor while day-roosting, with body temperatures as low as 27 °C. Torpor was recorded during cold, wet, and windy weather, strongly suggesting it is an adaptation to reduce energy expenditure during periods of increased thermoregulatory costs and depleted body energy stores. Our study has implications for our understanding of the distribution, behavioural ecology, and life history of flying foxes. Furthermore, our discovery increases the body mass of bats known to use torpor by more than tenfold and extends the documented use of this energy-saving strategy under wild conditions to all bat superfamilies, with important implications for the evolutionary maintenance of torpor among bats and other mammals.</p>
Data from: Future climatically suitable areas for bats in South Asia
<p>Climate change majorly impacts biodiversity in diverse regions across the world, including South Asia, a megadiverse area with heterogeneous climatic and vegetation regions. However, climate impacts on bats in this region are not well‐studied, and it is unclear whether climate effects will follow patterns predicted in other regions. We address this by assessing projected near‐future changes in climatically suitable areas for 110 bat species from South Asia. We used ensemble ecological niche modelling with four algorithms (random forests, artificial neural networks, multivariate adaptive regression splines and maximum entropy) to define climatically suitable areas under current conditions (1970–2000). We then extrapolated near future (2041–2060) suitable areas under four projected scenarios (combining two global climate models and two shared socioeconomic pathways, SSP2: middle‐of‐the‐road and SSP5: fossil‐fuelled development). Projected future changes in suitable areas varied across species, with most species predicted to retain most of the current area or lose small amounts. When shifts occurred due to projected climate change, new areas were generally northward of current suitable areas. Suitability hotspots, defined as regions suitable for >30% of species, were generally predicted to become smaller and more fragmented. Overall, climate change in the near future may not lead to dramatic shifts in the distribution of bat species in South Asia, but local hotspots of biodiversity may be lost. Our results offer insight into climate change effects in less studied areas and can inform conservation planning, motivating reappraisals of conservation priorities and strategies for bats in South Asia.</p>
FIGURE 4 in Southern Africa's Great Escarpment as an amphitheater of climate-driven diversification and a buffer against future climate change in bats
FIGURE 4 (Continued)
FIGURE 2 in Southern Africa's Great Escarpment as an amphitheater of climate-driven diversification and a buffer against future climate change in bats
FIGURE 2 (Continued)
Data from: Insectivorous birds and bats outperform ants in the top-down regulation of arthropods across strata of a Japanese temperate forest
<p>Birds, bats, and ants are recognized as significant arthropod predators. However, empirical studies reveal inconsistent trends in their relative roles in top-down control across strata. Here, we describe the differences between forest strata in the separate effects of birds, bats, and ants on arthropod densities and their cascading effects on plant damage. We implemented a factorial design to exclude vertebrates and ants in both the canopy and understory. Additionally, we separately excluded birds and bats from the understory using diurnal and nocturnal exclosures. At the end of the experiments, we collected all arthropods and assessed herbivory damage. Arthropods responded similarly to predator exclusion across forest strata, with a density increase of 81% on trees without vertebrates and 53% without both vertebrates and ants. Additionally, bird exclusion alone led to an 89% increase in arthropod density, while bat exclusion resulted in a 63% increase. Herbivory increased by 42% when vertebrates were excluded and by 35% when both vertebrates and ants were excluded. Bird exclusion alone increased herbivory damage by 28%, while the exclusion of bats showed a detectable but non-significant increase (by 22%). In contrast, ant exclusion had no significant effect on arthropod density or herbivory damage across strata. Our results reveal that the effects of birds and bats on arthropod density and herbivory damage are similar between the forest canopy and understory in this temperate forest. In addition, ants were not found to be significant predators in our system. Furthermore, birds, bats, and ants appeared to exhibit antagonistic relationships in influencing arthropod density. These findings highlight, unprecedentedly, the equal importance of birds and bats in maintaining ecological balance across different strata of a temperate forest.</p>
Fig. 3 in Karyology Of Three Vespertilionid Bats (Chiroptera: Vespertilionidae) From Turkey
Fig. 3. Karyotype of a female E. bottae anatolicus from Silifke (2n = 50, NFa = 48)
Fig. 4 in Karyology Of Three Vespertilionid Bats (Chiroptera: Vespertilionidae) From Turkey
Fig. 4. Karyotype of a male N. noctula from Demirköy (2n = 42, NFa = 50)
Fig. 2 in Karyology Of Three Vespertilionid Bats (Chiroptera: Vespertilionidae) From Turkey
Fig. 2. Karyotype of a female E. serotinus from Gebze (2n = 50, NFa = 48)
Pest species preyed upon by bats and the crop types affected by them.
<p>This database compiles the pest species consumed by bats and the crop types they attack, as part of the supplementary material of the article entitled "<strong>Pest suppression by bats and management strategies to favour it: a global review</strong>", published in the journal Biological Reviews.</p> <p>The crop types were classified into several categories this work: cereals (e.g. wheat, maize, corn, rice, barley, sorghum); forest (e.g. beech, oak, poplar, willow); fruit crops (e.g. apple, pear, apricot, strawberry, cranberry); grasses (e.g. sugarcane, turfs, pastures); legumes (e.g. pea, bean, alfalfa, soybean); ornamental (e.g. garden species); other (cotton, tea, tobacco, hop, flax, rubber tree, hemp, peppermint, jute, rapeseed, kenaf, ashwagandha, mushrooms, honeybees); stored products (e.g. stored cereals, stored tobacco, dried fruits); and vegetables (e.g. tomato, lettuce, spinach, potato, onion).</p>
Fig. 4 in The Eco-Physiological Status Of Hibernating Bats (Chiroptera) In The North Of The European Distribution Range
Fig. 4. α-Tocopherol (A) and retinol (B) content in bat tissues (means ± s.e.m.).
Fig. 1 in A dataset on African bats' functional traits
Fig. 1 Graphical workflow of AfroBaT dataset construction.
FIGURE 1 in Bats in settlements from an atlantic forest area in northeastern Brazil
FIGURE 1: Map of Guaribas Biological Reserve (GRB) and the villages sampled.
ScienceDex guides
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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.