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1,409 results for “avian”
Image 1 in A preliminary survey on the avian community of Dalma Wildlife Sanctuary, Jharkhand, India
Image 1. Dalma Wildlife Sanctuary downloded from Google Earth showing the four different sampling sites where transects were laid.
Annual Report on surveillance for Avian Influenza in poultry and wild birds in Member States of the European Union in 2020 - high quality maps
<p>Here you can find the high quality maps published in 'Annual Report on surveillance for Avian Influenza in poultry and wild birds in Member States of the European Union in 2020' by EFSA.</p>
Annual Report on surveillance for Avian Influenza in poultry and wild birds in Member States of the European Union in 2020 - monthly maps
<p>Here you can find monthly maps referred in publication 'Annual Report on surveillance for Avian Influenza in poultry and wild birds in Member States of the European Union in 2020' by EFSA.</p> <p>Figure legend for all figures:<br> Monthly observations and samples from wild birds on the EFSA list of target species for 2020 by NUTS3 region. The green colour scale represents the number of wild bird observations from the target species, as per data provided by the EuroBirdPortal project. The black dots represent the number of wild bird samples from target species tested within the countries' AI passive surveillance programmes. Wild bird samples reported at NUTS2 level are not shown on these maps.</p>
Figure 9 in Developmental patterns of the crocodilian and avian columella auris: reappraisal of interpretations of the derivation of the dorsal hyoid arch in archosaurian tetrapods
Figure 9. Development of the columella auris in Gallus domesticus and Coturnix japonica. A, day-8 chick embryo, ventro-right lateral view. B, day-10 chick embryo, postero-right lateral view. C, day-11 chick embryo, antero-right lateral view. D, day-7 quail embryo, left lateral view. E, day-9 quail embryo, ventro-right lateral view. F, day-9 quail embryo, ventro-left lateral view. G, day-10 quail embryo, ventropostero-right lateral view. For abbreviations see the Appendix. A–G: whole mounts.
Figure 8 in Developmental patterns of the crocodilian and avian columella auris: reappraisal of interpretations of the derivation of the dorsal hyoid arch in archosaurian tetrapods
Figure 8. Development of the columella auris and surrounding tissues in Struthio camelus. A, day-16 embryo, posteroleft lateral and anteroventro-left lateral view. B, day-17 embryo, ventro-left lateral view. C, day-18 embryo, left lateral view. D, day-20 embryo, postero-left lateral view. E, day-25 embryo, antero-left lateral view. F, day-29 embryo,
Figure 6 in Developmental patterns of the crocodilian and avian columella auris: reappraisal of interpretations of the derivation of the dorsal hyoid arch in archosaurian tetrapods
Figure 6. Development of the columella auris and surrounding tissues in Struthio camelus. A, day-11 embryo, ventro-right lateral view. B, day-12 embryo, ventro-right lateral view. C and D, day-13 embryo, postero-left lateral view. E, day-13 embryo, posterior view. F, day-13 embryo, postero-dorsal and posterior view. G, day-13 embryo, anterior view. For abbreviations see the Appendix. The dotted yellow circle represents the region of the tympanic process. The dotted red circle represents tympanic invagination. A and B, whole mounts; C–G, graphic reconstructions.
Figure 5 in Developmental patterns of the crocodilian and avian columella auris: reappraisal of interpretations of the derivation of the dorsal hyoid arch in archosaurian tetrapods
Figure 5. Development of the columella auris of Crocodylus niloticus. A, day-17 embryo, left lateral view. B, day-21 embryo, left lateral view. C, day-25 embryo, left lateral view. D, day-26 embryo, left lateral view. E, day-26 embryo, right lateral view. F, day-27 embryo, right lateral view. G, day-29 embryo, right lateral view. H, day-29 embryo, left lateral view. I, day-30 embryo, left lateral view. J, day-35 embryo, left lateral view. K, day-40 embryo, left lateral view. For abbreviations see the Appendix. A–K, whole mounts.
Figure 4 in Developmental patterns of the crocodilian and avian columella auris: reappraisal of interpretations of the derivation of the dorsal hyoid arch in archosaurian tetrapods
Figure 4. Development of the columella auris and surrounding tissues of Alligator mississippiensis. A and B, day-40 embryo, left lateral and right lateral view. C, day-40 embryo, right lateral view. D, day-42 embryo, right lateral and medial view. E, day-42 embryo, right lateral view. F, day-47 embryo, right lateral view. G, day-51 embryo, right lateral view. For abbreviations see the Appendix. A, B, and E–G, whole mounts; C and D, graphic reconstructions.
Figure 3 in Developmental patterns of the crocodilian and avian columella auris: reappraisal of interpretations of the derivation of the dorsal hyoid arch in archosaurian tetrapods
Figure 3. Development of the columella auris and surrounding tissues of Alligator mississippiensis. A, day-30 embryo, left lateral and medial view. B, day-33 embryo, left lateral view. C, day-37 embryo, right lateral and medial view. D and E, day-39 embryo, right lateral view. For abbreviations see the Appendix. A and C, graphic reconstructions; B, D, and E,
Figure 2 in Developmental patterns of the crocodilian and avian columella auris: reappraisal of interpretations of the derivation of the dorsal hyoid arch in archosaurian tetrapods
Figure 2. Development of the columella auris and surrounding tissues of Alligator mississippiensis. A–C, day-21 embryos, transverse sections through the external and middle ear region. D, day-21 embryo, posterior view. E, day-22 embryo, right lateral view. F, day-25 embryo, right lateral view. G, day-27 embryo, postero-right lateral view. H, day-28 embryo, right lateral view. For abbreviations see the Appendix. A–C, histological sections; D and G, graphic reconstructions; E, F, and H, whole mounts.
Figure 1 in Developmental patterns of the crocodilian and avian columella auris: reappraisal of interpretations of the derivation of the dorsal hyoid arch in archosaurian tetrapods
Figure 1. Development of the columella auris and surrounding tissues of Alligator mississippiensis. A, day-12 embryo, right lateral view. B, C, and E, day-14 embryo, postero-left lateral, posterior, and right lateral view. D and F, day-14 embryo, transverse sections through the external and middle ear region. G and H, day-16 embryo, transverse sections through the external and middle ear region. I, day-18 embryo, right lateral view. For abbreviations see the Appendix. In all figures hyal elements are distinguished in all whole mounts by yellow labels. A and I, whole mounts; B, C, and E, graphic reconstructions; D, and F–H, histological sections.
Figure 1 in The effects of locomotion on the structural characteristics of avian limb bones
Figure 1. Avian phylogenies used for tests of phylogenetic independence. A, the phylogeny based on the topology presented by Sibley & Ahlquist (1990). B, the phylogeny based on the topology presented by Livezey & Zusi (2007).
Figure 2 in The effects of locomotion on the structural characteristics of avian limb bones
Figure 2. Polar section moduli of femora versus section moduli of humeri for all individuals, standardized for bone length (see text). Zp is used here as an estimate of strength in torsion and average strength in bending. The solid line represents equal strength (y = x). Data are presented natural log transformed, and symbols correspond to locomotor categories in Table 1. De, Diomedea exulans; Ac, Aquila chrysaetos; Sm, Spheniscus magellanicus; Ph, Phalacrocorax harrisi; Pa, P. auritus; Ao, Aechmophorus occidentalis; Pg, Puffinus griseus; Ua, Uria aalge; Cc, Corvus corax; Cm, Cerorhinca monocerata; Ta, Tyto alba; Ft, Falco tinnunculus; Gc, Geococcyx californianus; Pr, Phaethon rubricauda; Ra, Rhea americana. The single juvenile rhea was not used in statistical analyses. The long axis of ovals delimiting species indicate isometry. Symbols are as follows, filled symbols, diving birds (those with subaqueous locomotion); triangles (Δ), forelimb-propelled diving; squares (-,Z), flightless taxa. Grebes are indicated by diamonds (Ɨ) and volant cormorants are shown with filled circles (•). The single juvenile rhea is indicated by a cross (+). All other species are delimited by open circles (O).
Figure 7 in The effects of locomotion on the structural characteristics of avian limb bones
Figure 7. Percentage of bone cross-section composed of cortical bone in the femur and humerus of each individual. This represents an inverse measure of 'hollowness' in the limb bones scanned. Phalacrocorax harrisi and Spheniscus magellanicus are both highlighted for qualitative reference, as these species have the thickest-walled bones of the taxa studied. Phalacrocorax auritus individuals are highlighted for comparison with P. harrisi. Puffinus griseus individuals, which utilize both dynamic soaring and wing-propelled diving, are highlighted to emphasize that their cortical areas are similar to other divers. Symbols and labels are as in Figure 2, except that X's denote hyperaerials.
Figure 4. pQCT images from a in The effects of locomotion on the structural characteristics of avian limb bones
Figure 4. pQCT images from a subset of the study species included, representing the range of geometries in the data set. Species not shown to same scale.
Figure 6 in The effects of locomotion on the structural characteristics of avian limb bones
Figure 6. Mean natural log-transformed ratios of femoral to humeral length. Taxa are ordered according to the expected functional trend (see Table 1).
Figure 3 in The effects of locomotion on the structural characteristics of avian limb bones
Figure 3. Mean natural log-ransformed ratios of femoral to humeral section modulus. Taxa are ordered according to the expected functional trend (see Table 1).
Figure 5 in The effects of locomotion on the structural characteristics of avian limb bones
Figure 5. Total length of femora versus total length of humeri for all individuals. Data are presented natural log-transformed. The solid line represents equal length (y = x). Symbols and species name abbreviations follow those in Figure 2. The long axes of the ovals delimiting species indicate isometry.
Figure 8 in Avian brain evolution: new data from Palaeogene birds (Lower Eocene) from England
Figure 8. Virtual endocranial cast of Phaethon rubricauda showing close morphological similarity to Prophaethon shrubsolei. A, left lateral and B, dorsal aspects. Note the absence of a vallecula and presence of well-marked impressions of the fissura cerebelli. Virtual endocranial cast reconstructed from publicly available data at http://www.digimorph.org/ specimens/Phaethon_rubricauda_melanorhynchos/ using MIMICS 8.13. See text for list of anatomical abbreviations.
Figure 3 in Avian brain evolution: new data from Palaeogene birds (Lower Eocene) from England
Figure 3. Virtual endocast of Odontopteryx toliapica in A, dorsal; B, rostral, and C, left lateral views. See text for list of anatomical abbreviations.
ScienceDex guides
Understand access before you commit
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.