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359 results for “Elephant”
Fin whale tracks Elephant Island
<p>This data set comprises the the location data obtained via SPLASH LIMPET tags from four fin whales equipped with satellite transmitters at Elephant Island Antarctica in April / March 2021. Provided are the tag identifier (Ptt), transmitter model (instrument), the data and time of each recorded location, the satellite system used for transmission (type), a quality rating of the transmission (quality) as B, A, 0, 1, 2 or 3 in increasing order of position accuracy, LAtitude and Longitude of the position. The dataset shows the movement of 4 fin whales at the tagging site at Elephant Island, Antarctica, and three of the whales starting their northward migration at the end of the feeding season around mid April.</p>
Hand-Carved Wooden Elephant
**MESH PARAMETERS** **Object Description:** Digitized hand-carved wooden elephant; Real-life approximate dimensions 7"x3"x4" **Watertight:** Yes <br> **TEXTURE PARAMETERS** **Count:** 1 **Size:** 8,192 x 8,192 **Delighting:** Yes Source: Objaverse 1.0 / Sketchfab
Elephant
Art Africain. Sculpture de 57 cm de hauteur en serpentine due à Charles Chisute (né à Mudhindo -Guruwe au Zimbabwee - le 27 août 1966, décédé en 2002). Cette oeuvre est visible dans le parc du Chêteau de Petit Leez à Grand Leez en Belgique. Source: Objaverse 1.0 / Sketchfab
Elephant-Shaped Jar, 13th C CE
Thai elephant-shaped jar, 13th C CE, now in the collection of the Minneapolis Institute of Art. More information at artsmia.org: https://collections.artsmia.org/art/25562/elephant-shaped-jar-thailand Source: Objaverse 1.0 / Sketchfab
Behavioural Impact of Enclosure Relocation on Asiatic Elephants (Elephas maximus) in Artis Royal Zoo, Amsterdam.
<p>It can have negative consequences when the standards of well-being of animal are not met in a captive environment. The main priority of this study was to determine whether a more enriched enclosure could reduce stereotypic behaviour and increase natural behaviours in captive Asiatic elephants, and thus increase well-being. In order to answer this question the Asiatic elephants in Artis Royal Zoo were studied. Artis Royal Zoo had built a new enclosure to improve the well-being of their elephants. Activity budgets of the three elephants of both the new and old enclosure were studied. Observation was done over a period of three months ,between April 2017 and July 2017 for a total of 26 days. Only Thong-Thai, mother of Yindee and Sanuk, exhibited stereotypic behaviour. There was a significant difference found between the stereotypic behaviour averages per enclosure when consume/forage behaviour and enclosures were included in the model. Both Thong-Thai and Yindee reduced their consume/foraging behaviour when relocated. All three elephants increased in walking behaviour when relocated with a maximum difference exhibited by Yindee. Only Yindee increased in enrichment use behaviour. Also, like Rees (2009), a negative correlation was found between stereotypic behaviour and consume/foraging behaviour in both enclosures. The behavioural data can only give an indication of improved well-being and we may not have seen extreme positive signs yet but we can say that the new enclosure provides a more abundant set of options to the elephants. These extra options remove mental and physical barriers and stimulate the animal to exhibit natural behaviour which can only be a good thing (McPhee & Carlstead, 2010).</p>
Fire, elephants, and climate legacies enhance savanna resistance while impeding resilience
<p>Data accompanying the paper:</p> <p>L.M. Vermeulen, B. Verbist, K. Van Meerbeek, J. Slingsby, P.N. Bernardino, B. Somers. 2024. Fire, elephants, and climate legacies enhance savanna resistance while impeding resilience.</p>
Data from: Elephant pathway use in a human-dominated landscape
<p>Habitat loss and fragmentation are one of the biggest threats facing wildlife today. Understanding the role of wildlife pathways in connecting resource areas is key to maintain landscape connectivity, reduce the impacts of habitat loss and help address human-wildlife conflict. In this study, we used sign surveys and camera trapping to understand the fine scale movement of elephants moving between a protected area and agricultural zone in the Masai Mara, Kenya. We used Generalised Linear Models to determine factors driving high frequency of pathway use by elephants. Our results showed strong seasonal trends in pathway use, with peaks coinciding with the dry season. However, no correlations between rainfall and pathway use were found. Temporal patterns of pathway use indicate that elephants use risk avoidance strategies by moving between the two areas at times of low human disturbance. Spatial analysis revealed that the most frequently used pathways were closer to farms, saltlicks and forest and those that had a higher percentage of forest cover. Our models also showed a positive relationship between pathway use and the number of elephant crop raiding incidents, highlighting that pathways can play a role in human-elephant conflict. As habitat loss continues, pathways may become more important for linking resources. However, they are also likely to facilitate movement into farmland. The results from this study provide an opportunity for planned management activities to ensure connectivity and to mitigated conflict.</p>
The trunk replaces the longer mandible as the main feeding organ in elephant evolution--Supplementary codes
<p>The long-trunked elephantids underwent a significant evolutionary stage characterized by an exceptionally elongated mandible. The initial elongation and subsequent regression of the long mandible, along with its co-evolution with the trunk, present an intriguing issue that remains incompletely understood. Through comparative functional and eco-morphological investigations, as well as feeding preference analysis, we reconstructed the feeding behavior of major groups of longirostrine elephantiforms. In the <em>Platybelodon</em> clade, the rapid evolutionary changes observed in the narial region, strongly correlated with mandible and tusk characteristics, suggest a crucial evolutionary transition where feeding function shifted from the mandible to the trunk, allowing proboscideans to expand their niches to more open regions. This functional shift further resulted in elephantids relying solely on their trunks for feeding.</p>
Data from: Early detection of human impacts using acoustic monitoring: an example with forest elephants
<p>The impacts of human activities and climate change on animal populations often take considerable time before they are reflected in typical measures of population health such as population size, demography, and landscape use. Earlier detection of such impacts could enhance the effectiveness of conservation strategies, particularly for species with slow population growth. Passive acoustic monitoring is increasingly used to estimate occupancy and population size, but this tool can also monitor subtle shifts in behavior that might be early indicators of changing impacts. Here we use data from an acoustic grid, monitoring 1250 km<sup>2</sup> of forest in the northern Republic of Congo, to study how forest elephants (<em>Loxodonta cyclotis</em>) assess the risk of poaching across a landscape that includes a national park as well as active and inactive logging concessions. By quantifying emerging patterns of behavior at the population level, arising from individual-based decisions, we gain an understanding of how elephants perceive their landscape along an axis of human disturbance. Forest elephants in relatively undisturbed forests are active nearly equally day and night. However, they become more nocturnal when exposed to a perceived risk such as poaching. We assessed elephant perception of risk by monitoring changes in the likelihood of nocturnal activity relative to differing levels of human activity. We show that logging is perceived to be a risk on short-time and small spatial scales but with little effect on animal density. However, risk avoidance persisted in areas with relatively easy access to poachers and in more open habitats where poaching has historically been concentrated. Increased nocturnal activity is a common response in many animals to human intrusion on the landscape. Provided a species is acoustically active, passive acoustic monitoring can measure changes in human impact at the early stages of such change, informing management priorities.</p>
FIGURE 5—C1 in Tyrannosaurus rex from the McRae Formation (Lancian, Upper Cretaceous), Elephant Butte Resevoir, Sierra County, New Mexico
FIGURE 5—C1oseup of anterobuccal edge of largest isolated tooth in Fig. 4. illustrating serrations.
FIGURE 5—C1 in Tyrannosaurus rex from the McRae Formation (Lancian, Upper Cretaceous), Elephant Butte Resevoir, Sierra County, New Mexico
FIGURE 5—C1oseup of anterobuccal edge of largest isolated tooth in Fig. 4. illustrating serrations.
Focus group survey data 2024_05 Climate Smart Elephant
<p><span>Climate Smart Elephant confirmation survey, multinational, Needs assessment and identification of target group habits</span></p>
Mass harvested per trunkload as a constraint to forage consumption by the African elephant
<p>Data in the form of comma delimited text files and R-scripts for analyses for paper on the influence of trunkload mass on food selection by African elephants.</p>
source data of "Enhanced vegetation drought resistance induced by elephant disturbance in Africa"
Open the record for dataset details and reuse information.
Data from: Nocturnal giants: evolution of the sensory ecology in elephant birds and other palaeognaths inferred from digital brain reconstructions
The recently-extinct Malagasy elephant birds (Palaeognathae, Aepyornithiformes) included the largest birds that ever lived. Elephant bird neuroanatomy is understudied but can shed light on the lifestyle of these enigmatic birds. Paleoneurological studies can provide clues to the ecologies and behaviors of extinct birds because avian brain shape is correlated with neurological function. We digitally reconstruct endocasts of two elephant bird species, Aepyornis maximus and A. hildebrandti, and compare them with representatives of all major extant and recently-extinct palaeognath lineages. Among palaeognaths, we find large olfactory bulbs in taxa generally occupying forested environments where visual cues used in foraging are likely to be limited. We detected variation in olfactory bulb size among elephant bird species, possibly indicating interspecific variation in habitat. Elephant birds exhibited extremely reduced optic lobes, a condition also observed in the nocturnal kiwi. Kiwi, the sister taxon of elephant birds, have effectively replaced their visual systems with hyperdeveloped olfactory, somatosensory and auditory systems useful for foraging. We interpret these results as evidence for nocturnality among elephant birds. Vision was likely deemphasized in the ancestor of elephant birds and kiwi. These results show a previously unreported trend toward decreased visual capacity apparently exclusive to flightless, nocturnal taxa endemic to predator-depauperate islands.
Fig. 1 in The habitat preference of dung beetle species associated with elephant dung of the Malay Peninsula
Fig. 1. Map of all the localities where dung beetle sampling was carried out.
C.elegans developing embryo (ELEPHANT demo dataset)
<p>This data is a short subset of one of the training data from the Cell Tracking Challenge (http://celltrackingchallenge.net/) formatted in BigDataViewer format.</p> <p>Dataset name: C.elegans developing embryo</p> <p>Training data#: 01</p> <p>Timepoints: t050 - t059</p> <p>See details here (http://celltrackingchallenge.net/3d-datasets/).</p> <p>The use of the data is limited for testing the ELEPHANT software.</p> <p><strong>Acknowledgements</strong></p> <p>We are grateful to Robert H. Waterston for kindly giving us a permission to distribute this data for testing the ELEPHANT software.</p> <p><strong>Original paper</strong></p> <p>Murray, J., Bao, Z., Boyle, T. <em>et al.</em> Automated analysis of embryonic gene expression with cellular resolution in <em>C. elegans</em>. <em>Nat Methods</em> <strong>5, </strong>703–709 (2008). https://doi.org/10.1038/nmeth.1228</p>
Data from: Where are the beachmasters? Unexpectedly weak polygyny among southern elephant seals on a South Shetland Island
<p><strong>Abstract</strong></p> <p>Intraspecific variation in animal mating systems can have important implications for ecological, evolutionary and demographic processes in wild populations. For example, patterns of mating can impact social structure, dispersal, effective population size and inbreeding. However, few species have been studied in sufficient detail to elucidate mating system plasticity and its dependence on ecological and demographic factors. Southern elephant seals (Mirounga leonina) have long been regarded as a textbook example of a polygynous mating system, with dominant ‘beachmaster’ males controlling harems of up to several hundred females. However, behavioural and genetic studies have uncovered appreciable geographic variation in the strength of polygyny among elephant seal populations. We therefore used molecular parentage analysis to investigate patterns of parentage in a small satellite colony of elephant seals at the South Shetland Islands. We hypothesised that dominant males would be able to successfully monopolise the relatively small numbers of females present in the colony, leading to relatively high levels of polygyny. A total of 424 individuals (comprising 33 adult males, 101 adult females and 290 pups) sampled over eight years were genotyped at 20 microsatellites and reproductive success was analysed by genetically assigning parents. Paternity could only be assigned to 31 pups (10.7%), despite our panel of genetic markers being highly informative and the genotyping error rate being very low. The strength of inferred polygyny was weak in comparison to previous genetic studies of the same species, with the most successful male fathering only seven pups over the entire course of the study. Our results show that, even in a species long regarded as a model for extreme polygyny, male reproductive skew can vary substantially among populations.</p>
Data from: Visual feedback influences the consistency of the locomotor pattern in Asian Elephants (Elephas maximus)
<p><span>Elephants are atypical of most quadrupeds in that they maintain the same lateral sequence footfall pattern across all locomotor speeds. It has been speculated that the preservation of the footfall patterns is necessary to maintain a statically stable support polygon. This should be a particularly important constraint in large, relatively slow animals. This suggests that elephants must rely on available sensory feedback mechanisms to actively control their massive pillar-like limbs for proper foot placement and sequencing. How the nervous system of elephants integrates the available sensory information for a stable gait is unknown. Here we explored the role that visual feedback plays in the control of the locomotor pattern in elephants. Four Asian elephants (</span><span><em>Elephas maximus</em>)</span><span> walked with and without a blindfold as we measured their stride time intervals. Coefficient of variation was used to assess changes in the overall variability of the stride time intervals, while approximate entropy was used to measure the stride-to-stride consistency of the time intervals. We show that visual feedback plays a role in the stride-to-stride consistency of the locomotor pattern in elephants. These results demonstrate that elephants likely use visual feedback to correct and maintain proper sequencing of the limbs during locomotion. </span></p>
Data from: Foraging history of individual elephants using DNA metabarcoding
<p>Individual animals should adjust diets according to food availability. We used DNA metabarcoding to construct individual-level dietary timeseries for elephants from two family groups in Kenya varying in habitat use, social position, and reproductive status. We detected at least 367 dietary plant taxa, with up to 137 unique plant sequences in one fecal sample. Results matched well-established trends: elephants tended to eat more grass when it rained and other plants when dry. Nested within these switches from 'grazing' to 'browsing' strategies, dietary DNA revealed seasonal shifts in food richness, composition, and overlap between individuals. Elephants of both families converged on relatively cohesive diets in dry seasons but varied in their maintenance of cohesion during wet seasons. Dietary cohesion throughout the timeseries of the subdominant 'Artists' family was stronger and more consistently positive compared to the dominant 'Royals' family. The greater degree of individuality within the dominant family's timeseries could reflect more divergent nutritional requirements associated with calf-dependency and/or priority access to preferred habitats. Whereas theory predicts that individuals should specialize on different foods under resource scarcity, our data suggest family bonds may promote cohesion and foster the emergence of diverse feeding cultures reflecting links between social behavior and nutrition.</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)
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.