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54 results for “birds of prey”
Few species, higher abundance or many species and lower abundance of birds of prey: effects of land use changes at different spatial scales
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Who's for dinner? Bird prey diversity and choice in the great evening bat, Ia io
<p>The mysterious predator-prey interaction between bats and nocturnally migrating birds is a very rare and incredible process in natural ecosystems. So far only three avivorous bat species, including two noctule bats (<em>Nyctalus lasiopterus</em> and <em>Nyctalus aviator</em>) and the great evening bat (<em>Ia io</em>), are known to regularly prey on songbirds during nocturnal avian migration. The information related to the diversity and the characteristics of the birds as prey, as well as the hunting strategy in both species of noctule bats are already clear. However, the diversity of bird prey in the diet of <em>I. io</em> as confirmed by molecular identification remains unknown. Moreover, like hunting insects, it remains unclear if the avivorous bats opportunistically prey on birds. Here, we used DNA metabarcoding to investigate the bird prey composition, diversity, and choice in diets of <em>I. io</em>. We found <em>I. io</em> consumed 22 species of seven families from Passeriformes with a body mass of 6–19 g, and preferentially selected small-sized passerine birds for optimizing the benefit/risk trade-off. Moreover, most of the species preyed upon were migratory birds, while four species were local resident birds, indicating that <em>I. io</em> may adopt both aerial-hawking and gleaning strategies on songbirds as do the other two noctules. Further, <em>I. io</em> body mass did not influence in prey choice and predation richness on birds, suggesting <em>I. io</em> is an opportunistic avivorous predator. This study provides novel insights into the avian dietary ecology of <em>I. io</em> and completes the analysis of predator/prey interaction between three avivorous bats and nocturnally migrating birds. Our results also indicate bat predation on birds which occurs as an act of ecological opportunity may subject bats to intense natural selection pressure, causing them access to the new diet-defined adaptive zones.</p>
Figures 2-4 from: Brisque T, Campos-Silva LA, Piratelli AJ (2017) Relationship between bird-of-prey decals and bird-window collisions on a Brazilian university campus. Zoologia 34: 1-8. https://doi.org/10.3897/zoologia.34.e13729
Figures 2-4 - Windows of the ATLAB (2) and GAD (3) buildings following application of decals (4). See text for description.
Figure 5 from: Brisque T, Campos-Silva LA, Piratelli AJ (2017) Relationship between bird-of-prey decals and bird-window collisions on a Brazilian university campus. Zoologia 34: 1-8. https://doi.org/10.3897/zoologia.34.e13729
Figure 5 - Total number of bird fatalities resulting from bird-window collisions in windows without and with bird-of-prey decals on the campus of the Federal University of São Carlos, in Sorocaba, Brazil.
Figure 7 in Two new species of Craspedorrhynchus Kéler, 1938, (Phthiraptera: Ischnocera: Philopteridae) from Chinese birds of prey (Accipitriformes)
Figure 7. Craspedorrhynchus obsolectus new species, male habitus, dorsal and ventral views.
Figure 8 in Two new species of Craspedorrhynchus Kéler, 1938, (Phthiraptera: Ischnocera: Philopteridae) from Chinese birds of prey (Accipitriformes)
Figure 8. Craspedorrhynchus obsoletus new species, female habitus, dorsal and ventral views.
Figure 2 in Two new species of Craspedorrhynchus Kéler, 1938, (Phthiraptera: Ischnocera: Philopteridae) from Chinese birds of prey (Accipitriformes)
Figure 2. Craspedorrhynchus guizhouensis new species, female habitus, dorsal and ventral views.
Figure 1 in Two new species of Craspedorrhynchus Kéler, 1938, (Phthiraptera: Ischnocera: Philopteridae) from Chinese birds of prey (Accipitriformes)
Figure 1. Craspedorrhynchus guizhouensis new species, male habitus, dorsal and ventral views.
Who’s for dinner? Bird prey diversity and choice in the great evening bat, Ia io
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Data from: The influence of meal size on prey DNA detectability in piscivorous birds
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Opposite latitudinal patterns for bird and arthropod predation revealed in the experiments with differently colored artificial prey
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Figure 1 from: Brisque T, Campos-Silva LA, Piratelli AJ (2017) Relationship between bird-of-prey decals and bird-window collisions on a Brazilian university campus. Zoologia 34: 1-8. https://doi.org/10.3897/zoologia.34.e13729
Figure 1 - Location of the study area in Sorocaba, São Paulo, Brazil.
Data from: Urban green roofs provide habitat for migrating and breeding birds and their arthropod prey
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Figure 1 in Prey consumed by wading birds in mangrove swamps of the Caribbean coast of Colombia
Figure 1. Map of the study area, the Sinú River deltaic estuary, black dots show sites where individual wading birds were captured.
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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.