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2,358 results for “wing”
Source data for: Nesting success of Red-winged Blackbirds (Agelaius phoeniceus) in marshes in an anthropogenic landscape
<p>Recent analyses show significant population declines in many abundant avian species, especially marsh-nesting species including the Red-winged Blackbird (RWBL). Hypothesized causes include reduced nesting success resulting from changing land use patterns and exposure to contaminants. Our goal was to test the hypothesis that landscape and nest characteristics as well as exposure to polychlorinated biphenyls (PCBs) correlate with nesting success. From 2008-2014, we measured clutch size, egg and nestling mass, hatching and fledging success, and daily survival of 1293 RWBL nests from 32 marshes in the Hudson River valley of New York. Using generalized linear effect and survival models, we found that: (1) Julian date was negatively related to hatching success and clutch size but positively related to egg mass; (2) nest height was negatively related to hatching success; (3) nestling mass decreased with increased nest density and distance to edges; (4) fledging success was significantly lower in nests closer to the ground that were far from water; and (5) clutch size and daily survival were higher in nests farther from water. Results showed that nesting success was correlated with variables associated with flooding, population density, and predation and provided no support for the predicted negative effects of PCB exposure.</p>
Nutritional composition of adult African winged termite and bonga shad
<p>Cheap sources of protein and essential amino acids are among the major concern in aquaculture due to the unbearable cost of fishmeal. There is current research effort on use of insect meal as dietary substitute for fish meal in animal nutrition. As first step for a successful trial, knowledge of the nutritional composition of the experimental insect is important. It was observed that bonga shad showed higher levels of crude protein and ash while African winged termite was higher in crude lipid and dry matter. There was similarity in the levels of essential amino acids in both animals. However, there were considerable differences in the level of fatty acids of the two experimental animals in favour of the insect.</p>
Body and wing morphology, flight metabolic rates, and wingbeat frequencies for 13 stingless bee species
<p><span>Understanding the effect of body size on flight costs is critical for development of models of aerodynamics and animal energetics. Prior scaling studies that have shown that flight costs scale hypometrically have focused primarily on larger (> 100 mg) insects and birds, but most flying species are smaller. We studied the flight physiology of thirteen stingless bee species over a large range of body sizes (1-115 mg). Metabolic rate during hovering scaled hypermetrically (scaling slope = 2.11). Larger bees had warm thoraxes while small bees were nearly ecothermic; however, even controlling for body temperature variation, flight metabolic rate scaled hypermetrically across this clade. Despite having a lower mass-specific metabolic rate during flight, smaller bees could carry the same proportional load. Wingbeat frequency did not vary with body size, in contrast to most studies that find wingbeat frequency increases as body size decreases. Smaller stingless bees have greater relative wing surface area which may help them reduce the energy requirements needed to fly. Further, we hypothesize that the relatively larger heads of smaller species may change their body pitch in flight. Synthesizing across all flying insects, we demonstrate that the scaling of flight metabolic rate changes from hypermetric to hypometric at approximately 58 mg body mass with hypermetic scaling below (slope=1.2) and hypometric scaling (slope=0.67) above 58 mg in body mass. The reduced cost of flight likely provides selective advantages for the evolution of small body size in insects. The biphasic scaling of flight metabolic rates and wingbeat frequencies in insects supports the hypothesis that the scaling of metabolic rate is closely related to the power requirements of locomotion and cycle frequencies.</span></p>
Video Arrival of the spitfire wing
<p>Video : Arrival of the spitfire wing at Arc'Antique (Nantes, France)</p>
Finite Element Model of the ISTAR Demonstrator Wing
<p>A Nastran Bulk Data Deck of a miniature wing is provided. The wing is a small-scale representation of the <a href="https://www.dlr.de/content/en/articles/aeronautics/research-fleet-infrastructure/dlr-research-aircraft/istar-dassault-falcon-2000lx-d-bdlr.html">DLR ISTAR research aircraft</a> wing. The model consists of quadrilateral CQUAD4 shell elements with multi-layer GFRP composite properties. It has been built using the DLR in-house software ModGen which enables the <a href="https://elib.dlr.de/105799/">parametric design and optimization of full aeroelastic analysis models</a>.</p> <p>The input ".bdf"-file was used in MSC Nastran version 2018.2 to generate the output files ".h5, .f06, .xdb". By default a normal modes analysis is conducted with the wing being clamped at the symmetry plane of the aircraft.</p> <p>https://www.dlr.de/en</p>
Figs 1–17 in A new species of soft-winged flower beetle of the genus Kuatunia Evers, 1949 (Coleoptera, Cleroidea, Malachiidae) from Nepal
Figs 1–17. Kuatunia andreasi Tshernyshev sp. n., holotype, male (1, 2–16), allotype,
Collection of wing images for conservation of honey bees (Apis mellifera) biodiversity in Europe
<p>Identification of honey bee (<em>Apis mellifera</em>) from various parts of the world is essential for protection of their biodiversity. The identification can be based on wing measurements which is inexpensive and easy available. In order to develop such identification there are required reference samples from various parts or the world.</p> <p>We provide collection of 26481 honey bee fore wing images from 13 countries in Europe: Austria (AT), Croatia (HR), Greece (GR), Moldova (MD), Montenegro (ME), Poland (PL), Portugal (PT), Romania (RO), Serbia (RS), Slovenia (SI), Spain (ES), Turkey (TR). For each country there are three files starting with the two letter country code (indicated earlier in the parentheses): XX-wing-images.zip, XX-raw-coordinates.csv and XX-data.csv, which contain wing images, raw landmark coordinates and geographic coordinates, respectively. Files with prefix EU contain combined data from all countries.</p> <p>The resolution of the wing images was provided in pixels per meter. If the resolution was not provided it is not known. In those cases only wing shape and not wing size can be analyzed. </p> <p>For analysis of the dataset see:</p> <p>Oleksa, A., Căuia, E., Siceanu, A., Puškadija, Z., Kovačić, M., Pinto, M. A., Rodrigues, P. J., Hatjina, F., Charistos, L., Bouga, M., Prešern, J., Kandemir, İ., Rašić, S., Kusza, S., Tofilski, A. (2023). Honey bee (<em>Apis mellifera</em>) wing images: a tool for identification and conservation. GigaScience, 12, giad019. <a href="https://doi.org/10.1093/gigascience/giad019">https://doi.org/10.1093/gigascience/giad019</a></p> <p>Oleksa, A., Căuia, E., Siceanu, A., Puškadija, Z., Kovačić, M., Pinto, M. A., Rodrigues, P. J., Hatjina, F., Charistos, L., Bouga, M., Prešern, J., Kandemir, I., Rašić, S., Kusza, S., Tofilski, A. (2023). Apis-wings-EU. WorkflowHub. <a href="https://doi.org/10.48546/WORKFLOWHUB.WORKFLOW.422.1">https://doi.org/10.48546/WORKFLOWHUB.WORKFLOW.422.1</a></p>
Assyrian Winged Genius, c. 883-859 BCE
An improved version of this model is here: https://skfb.ly/6z7vs Scan of a low-relief limestone panel from the Northwest imperial palace at Nimrud, now in the collection of the Minneapolis Institute of Art. From the panel's description of artsmia.org: "This genius, or demi-god, was part of a grouping of winged creatures facing a stylized tree, a scene repeated numerous times in the palace. They appear to be performing fertility rites associated with the date palm, a tree held sacred by the Assyrians because it provides food, drink, wood and shelter." More information about the panel here: https://collections.artsmia.org/art/611/winged-genius-assyrian Source: Objaverse 1.0 / Sketchfab
Relief carving of Venetian winged lion
A quick photo shooting of the relief carving of winged lion, symbol of St Mark and the city of Venice, incorporated into the walls of Methoni fortress, Peloponnese, Greece. Created in RealityCapture from 45 images. No post-processing. Source: Objaverse 1.0 / Sketchfab
(VR optimized) Wing part of Wellington bomber
Remains of the starboard wing of a RAF Wellington bomber crashed in the North Sea during WO2 just above the Dutch island Ameland. See also our YouTube report/documentary about this wreck https://www.youtube.com/watch?v=81jExNR-QC8 Source: Objaverse 1.0 / Sketchfab
Assyrian Winged Genius, c. 883–859 BCE
From the object's description on artsmia.org: "This panel was taken from the remains of the Northwest imperial palace at Nimrud, the capital of the Assyrian empire, now located in modern Iraq. The walls of the palace, constructed by Ashurnasirpal II (883-859 BCE), were decorated with stone panels carved in low relief, narrating his hunting and military exploits." More information about the artwork here: https://collections.artsmia.org/art/611/winged-genius-assyrian This is an improved version of https://skfb.ly/Gs8L Source: Objaverse 1.0 / Sketchfab
Winged protective spirit, Nimrud
Gypsum wall panel relief: showing a winged protective spirit holding a branch with five blossoms, facing right, and performing an act of worship (?). There is an inscription written in cuneiform script. Culture/periodNeo-Assyrian term details Dating to 865BC-860BC, found in Ashurnasirpal II's North West Palace, Room Z Panel 2 at Nimrud. DimensionsWidth: 89 centimetresHeight: 100 centimetres Source: Objaverse 1.0 / Sketchfab
Winged female demon
Winged female demon, Sicily, 6th BC, Limestone. Nye Carlsberg Glyptotek (Copenhagen, Denmark). Made with Memento Beta (now ReMake) from Autodesk. The kneeling position indicated fast movement in early Greek art. Such relief slabs, called metopes, were set on the outside of a temple above the columns. For more updates, please follow @GeoffreyMarchal on Twitter. Source: Objaverse 1.0 / Sketchfab
FIGURE 2 in Two New Records of Wing-reduced Tipulidae from North America
FIGURE 2. Tricyphona subaptera (Alexander). Left lateral view. Scale bar = 5 mm.
Scaling between cell cycle duration and wing growth is regulated by Fat-Dachsous signaling in Drosophila
<p>The atypical cadherins Fat and Dachsous (Ds) signal through the Hippo pathway to regulate growth of numerous organs, including the <em>Drosophila</em> wing. Here, we find that Ds-Fat signaling tunes a unique feature of cell proliferation found to control the rate of wing growth. The duration of the cell cycle increases in direct proportion to the size of the wing, leading to linear rather than exponential growth. Ds-Fat signaling enhances the rate at which the cell cycle lengthens with wing size, thus diminishing the linear rate of wing growth. We show that this results in a complex but stereotyped relative scaling of wing growth with body growth in <em>Drosophila</em>. Finally, we examine the dynamics of Fat and Ds protein distribution in the wing, observing graded distributions that change during growth. However, the significance of these dynamics is unclear since perturbations in expression have negligible impact on wing growth.</p>
Figure 1 in An insect wing discovered in the Early Permian Taiyuan Formation (Shanxi Province, China)
Figure 1. Locality of the insect fossil near Yangquan City, Shanxi Province, China.
Data from: Thermal plasticity in protective wing pigmentation is modulated by genotype and food availability in an insect model of seasonal polyphenism
<p>Phenotypic variation in natural populations results from complex interactions between organisms and their changing environments. The environment shapes both phenotypic frequencies (during adaptation) and organismal phenotypes (through phenotypic plasticity). Developmental plasticity, in particular, refers to the phenomenon whereby an organism's phenotype depends on the environmental conditions during development. It can match phenotype to ecological conditions and help organisms to cope with environmental heterogeneity, including differences between alternating seasons. Experimental studies of developmental plasticity often focus on the impact of individual environmental cues and do not take explicit account of genetic variation. In contrast, natural environments are complex, comprising multiple variables with combined effects that are poorly understood and may vary among genotypes. We investigated the effects of multifactorial environments on the development of the seasonally plastic eyespots of <em>Bicyclus anynana</em> butterflies. Eyespot size depends on developmental temperature and is involved in alternative seasonal strategies for predator avoidance. In nature, both temperature and food availability undergo seasonal fluctuations. However, our understanding of how thermal plasticity in eyespot size varies in response to food availability and across genotypes remains limited. To address this, we investigated the combined effects of temperature (T; two levels: 20°C and 27°C) and food availability (N; two levels: control and limited) during development. We examined their impact on wing and eyespot size in adult males and females from multiple genotypes (G; 28 families). We found evidence of thermal and nutritional plasticity and temperature-by-nutrition interactions (significant TxN) on the size of eyespots in both sexes. Food limitation resulted in relatively smaller eyespots and tempered the effects of temperature. Additionally, we found differences among families for thermal plasticity (significant GxT effects), but not for nutritional plasticity (non-significant GxN effects) nor for the combined effects of temperature and food limitation (non-significant GxTxN effects). Our results reveal the context dependence of thermal plasticity, with the slope of thermal reaction norms varying across genotypes and across nutritional environments. We discuss these results in light of the ecological significance of pigmentation and the value of considering thermal plasticity in studies of the biological impact of climate change.</p>
Fig. 6 in Identification of Muscidae (Diptera) of medico-legal importance by means of wing measurements
Fig. 6 Discrimination of four species of the Muscina based on canonical variate analysis
Fig. 5 in Identification of Muscidae (Diptera) of medico-legal importance by means of wing measurements
Fig. 5 Discrimination of eight species of the Hydrotaea based on canonical variate analysis
Fig. 4 in Identification of Muscidae (Diptera) of medico-legal importance by means of wing measurements
Fig. 4 Discrimination of Muscidae genera based on canonical variate analysis
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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.