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73 results for “swans”
Origami Swan
[YouTube video](https://www.youtube.com/watch?v=8YT7sEcD3a0) or [Instructables](https://www.instructables.com/Modular-Origami-Mini-Winged-Swan-181-Pieces/) guide for making your own swan! About the scan: - Model size: 15x7x9 cms - Nikon Macro lens - 6000x4000 - 90+ images various angles - Metashape 1.8.1 - a lot of issues with this model Source: Objaverse 1.0 / Sketchfab
Apparent breeding success drives long-term population dynamics of a migratory swan
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Data from: Corralling a black swan: natural range of variation in a forest landscape driven by rare, extreme events
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Fearfulness of geese and swans on cropland in winter: A multi-species Flight Initiation Distance approach
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Data from: A red knot as a black swan: how a single bird shows navigational abilities during repeat crossings of the Greenland Icecap
<p>Despite the wealth of studies on seasonal movements of birds between southern nonbreeding locations and High Arctic breeding locations, the key mechanisms of navigation during these migrations remain elusive. A flight along the shortest possible route between pairs of points on a sphere ('orthodrome') requires a bird to be able to assess its current location in relation to its migration goal and to make continuous adjustment of heading to reach that goal. Alternatively, birds may navigate along a vector with a fixed orientation ('loxodrome') based on magnetic and/or celestial compass mechanisms. Compass navigation is considered especially challenging for summer migrations in Polar regions, as continuous daylight and complexity in the geomagnetic field may complicate the use of both celestial and magnetic compasses here. We examine the possible use of orientation mechanisms during migratory flights across the Greenland Icecap. Using a novel 2 g solar-powered satellite transmitter, we documented the flight paths travelled by a female red knot (<i>Calidris canutus islandica</i>) during two northward and two southward migrations. The geometry of the paths suggests that red knots can migrate across the Greenland Icecap along the shortest-, orthodrome-like, path instead of the previously suggested loxodrome path. This particular bird's ability to return to locations visited in a previous year, together with its sudden course changes (which would be appropriate responses to ambient wind fields), suggest a map sense that enables red knots to determine location, so that they can tailor their route depending on local conditions.</p>
Simulated wind field outputs from WRF and significant wave height results from SWAN simulations.
<p>Supplementary materials for the article titled <em>“Super Typhoons Simulation: A Comparison of WRF and Empirical Parameterized Models for High Wind Speeds.”</em> The data include simulated wind field outputs and significant wave height results from SWAN simulations.</p>
FIGURE 1 in A swan-sized fossil anatid (Aves: Anatidae) from the early Miocene St Bathans Fauna of New Zealand
FIGURE 1. Distal right humerus, CM 2017.37.919, A–C. A, cranial view; B, interpretive drawing; C, cranioventral aspect to show lack of elevation of tuberculum supracondylare ventrale; D, Cygnus atratus FUR 287. Irregular areas with dense stippling are those where surface features of the bone are missing due to breakage. The probable former extent of tuberculum supracondylare dorsale is reconstructed (dark shading). The two horizontal lines marked with * show the relationships of the condylus dorsalis and tuberculum supracondylare dorsale and the proximal extent of tuberculum supracondylare ventrale. Note that shaft width in Cygnus (D) is similar to the fossil (A) whereas distal width is much greater. Abbreviations: cd, condylus dorsalis; cv, condylus ventralis; ed, epicondylus dorsalis; fb, fossa musculi brachialis; ps, insertion of musculus pronator superficialis; tsd, tuberculum supracondylare dorsale; tsv, tuberculum supracondylare ventrale. Scale bars are 20 mm.
Concurrent shifts in wintering distribution and phenology in migratory swans
<p>Range shifts and phenological change are two processes by which organisms respond to environmental warming. Understanding the mechanisms that drive these changes is key for optimal conservation and management. Here we study both processes in the migratory Bewick's swan (<i>Cygnus columbianus bewickii</i>) using different methods, analysing nearly 50 years of resighting data (1970-2017). In this period the wintering area of the Bewick's swans shifted eastwards ("short-stopping") at a rate of >12.5 km y<sup>-1</sup>, thereby shortening individual migration distance on average by 353 km. Concurrently, the time spent at the wintering grounds has reduced ("short-staying") by ~38 days since 1989. We show that individuals are consistent in their migratory timing in winter, indicating that the frequency of individuals with different migratory schedules has changed over time (a generational shift). In contrast, for short-stopping we found evidence for both individual plasticity (individuals decrease their migration distances over their lifetime) and generational shift. Additional analysis of swan resightings with temperature data showed that, throughout the winter, Bewick's swans frequent areas where air temperatures are <i>c.</i> 5.5˚C. These areas have also shifted eastwards over time, hinting that climate warming is a contributing factor behind the observed changes in the swans' distribution. The occurrence of winter short-stopping and short-staying suggests that this species is to some extent able to adjust to climate warming, but benefits or repercussions at other times of the annual cycle need to be assessed. Furthermore, these phenomena could lead to changes in abundance in certain areas, with resulting monitoring and conservation implications. Understanding the processes and driving mechanisms behind population changes therefore is important for population management, both locally and across the species range.</p>
Data from: A genetic assessment of the human-facilitated colonization history of black swans in Australia and New Zealand
Movement of species beyond their indigenous distribution can fundamentally alter the conservation status of the populations involved. If introductions are human-facilitated, introduced species could be considered pests. Characterizing the colonization history of introduced species can, therefore, be critical to formulating the objectives and nature of wildlife management strategies. The black swan (Cygnus atratus) is native to Australia but is considered a reintroduced species in New Zealand, where the endemic population was reported extinct during the 19th century. After the re-introduction of a small number of individuals from Australia, the New Zealand population expanded unexpectedly rapidly, which was attributed to simultaneous waves of migration from Australia. An alternative, but hitherto unformalized, hypothesis is that local extant populations remained and admixed with introduced individuals. To contribute to our understanding of the reintroduction history of the species, we investigated dispersal patterns and demographic histories of seven populations from Australia and New Zealand, using population genetic inferences from a microsatellite dataset. Our results on genetic structure, dispersal rates, and demographic histories provide mixed evidence on the origin of New Zealand black swans. The hypothesis that reintroduced individuals mixed with remaining local individuals and that the subsequent dramatic population expansion may have been due to genetic rescue of the inbred indigenous population cannot be discarded and needs further investigation.
Swan 3.0 sample data
<p>Data for use in running the <a href="https://freese.gitbook.io/swan/">Swan</a> tutorials. Included are the following tgz'd files:</p> <ul> <li> <p>all_pass_list.csv: TALON pass list of transcript / gene IDs from HFFc6 / HepG2 dataset</p> </li> <li> <p>temp_anndata.h5ad: AnnData used to pass to PyDESeq2</p> </li> <li> <p>all_talon_observedOnly.gtf: Transcripts from HFFc6 / HepG2 dataset</p> </li> <li> <p>metadata.tsv: Metadata for the HFFc6 / HepG2 dataset</p> </li> <li> <p>swan.p: Pickled SwanGraph from the HFFc6 / HepG2 dataset</p> </li> <li> <p>swan_anndata.h5ad: AnnData version of the HFFc6 / HepG2 data</p> </li> <li> <p>swan_modelad.p: Pickled SwanGraph subset from the ENCODE4 long-read RNA-seq dataset with just the samples from MODEL-AD</p> </li> <li> <p>talon.db: TALON db from HFFc6 / HepG2 dataset</p> </li> <li> <p>all_talon_abundance_filtered.tsv: Counts matrix from HFFc6 / HepG2 dataset</p> </li> <li> <p>gencode.v29.annotation.gtf: Human reference transcriptome annotation</p> </li> </ul>
Leda and the Swan
A marble relief of Leda and the Swan, grasping back of her neck with beak. AD 50 - 100. Height 52 centimetres. COL: [GAA65586](http://www.britishmuseum.org/research/collection_online/collection_object_details.aspx?objectId=406238&partId=1) Created by Daniel Pett from 93 OnePlus 3 mobile phone photographs in basement stores of British Museum. Source: Objaverse 1.0 / Sketchfab
Swan-shaped ear trumpet
Swan-shaped ear trumpet. People who were hard of hearing used ear trumpets. They are simple devices. The curved trumpet end amplified sounds while the other end was placed in the ear. Object Number: A124566 https://collection.sciencemuseumgroup.org.uk/objects/co77800/swan-shaped-ear-trumpet-hearing-aids RIGHTS: Data in the title, made, maker and details fields are released under Creative Commons Zero. Descriptions and all other text content are licensed under a Creative Commons Attribution 4.0 licence. Scanned using Cyreal multi camera photogrammetry platform www.cyreal.com © The Board of Trustees of the Science Museum Source: Objaverse 1.0 / Sketchfab
Paceport Swan-Ganz Data Collection Study
ClinicalTrials.gov study NCT04782154. IPD Sharing: Not stated. Countries: 1. Publications: 16.
The Role of Swan-Ganz Catheter in Hemodynamic Resuscitation for Patients With Cardiogenic Shock
ClinicalTrials.gov study NCT07062744. IPD Sharing: NO. Countries: 1. Publications: 18.
Comparing Cardiac Output Measurements Using a Wearable, Wireless, Non-invasive PPG-Based Device to a Swan Ganz Catheter
ClinicalTrials.gov study NCT04955184. IPD Sharing: UNDECIDED. Countries: 1. Publications: 1.
Hemodynamic Monitoring in Liver Transplant With VEnaRt Cardiac Output Versus Swan-Ganz Catheter (VERO Study)
ClinicalTrials.gov study NCT04825015. IPD Sharing: NO. Countries: 1. Publications: 8.
Data from: Inter-annual variability and long-term trends in breeding success in a declining population of migratory swans
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Data from: Predicting effects of water regime changes on waterbirds: insights from staging swans
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Data from: A red knot as a black swan: how a single bird shows navigational abilities during repeat crossings of the Greenland Icecap
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Data from: A genetic assessment of the human-facilitated colonization history of black swans in Australia and New Zealand
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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.