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12 results for “group defense”
Figure 1 in Inter-group conflicts involving adult female and male bearded capuchins, Sapajus libidinosus (Primates: Cebidae), in the context of provisioned resources: resource defense or sexual selection?
Figure 1. The study site is an isolated fragment of forest, surrounded by an urban matrix: Bosque Bougainville in Goiânia, Goiás, Brazil. Source: ArcGIS Data and Maps©.
Predator defense is shaped by risk, brood value and social group benefits in a cooperative breeder
<p><span>Predation is a major cause of mortality and nest failure in birds. Cooperative predator defense can enhance nest success and adult survival, but since it is inherently risky, dynamic risk assessment theory predicts that individuals modify defense behavior according to risk posed by the predator. Parental investment theory on the other hand predicts that reproductive payoffs (brood value) determine investment in nest defense. We propose that in cooperative breeders, fitness benefits deriving from survival of other group members may additionally influence defense behavior (social group benefits theory). We tested predictions of these theories in the cooperatively breeding purple-crowned fairy-wren, <i>Malurus coronatus</i>, where brood value is higher for breeders, but social group benefits more important for helpers. We recorded experimentally-induced individual defense behaviors in response to predator models presented near nests, representing differing levels of threat to nests and adults. As predicted, (i) individuals engaged in less risky defenses when encountering a more dangerous predator (dynamic risk assessment theory); (ii) individuals defended older broods more often, and breeders defended more than helpers (parental investment theory); and (iii) helpers were more likely to respond to a predator of adults (social group benefits theory). Our findings highlight that predator defense in cooperative breeders is complex, shaped by the combination of immediate risk and multiple benefits.</span></p>
Figure 6 in Biology and defensive secretion of myrmecophilous Thiasophila spp. (Coleoptera: Staphylinidae: Aleocharinae) associated with the Formica rufa species group
Figure 6. Chromatograph of the defensive secretion of T. angulata adults. The numbers in the chromatogram refer to the number of the chemicals in Table 3.
Figure 5. T in Biology and defensive secretion of myrmecophilous Thiasophila spp. (Coleoptera: Staphylinidae: Aleocharinae) associated with the Formica rufa species group
Figure 5. T. angulata, (a) larva (in the circle) among F. polyctena ants; (b, c) adults feeding on ant larvae; (d) adult (in the circle) among F. polyctena ants. Photo: Zagaja, M.
Figure 3 in Biology and defensive secretion of myrmecophilous Thiasophila spp. (Coleoptera: Staphylinidae: Aleocharinae) associated with the Formica rufa species group
Figure 3. Seasonal dynamics of T. angulata larval forms in nests of F. polyctena and F. rufa and of T. szujeckii in nests of F. truncorum. Leżajsk Forest Division, Sandomierz Basin, Poland.
Figure 2 in Biology and defensive secretion of myrmecophilous Thiasophila spp. (Coleoptera: Staphylinidae: Aleocharinae) associated with the Formica rufa species group
Figure 2. Seasonal dynamics of T. angulata adult forms in nests of F. polyctena and F. rufa and of T. szujeckii in nests of F. truncorum. Leżajsk Forest Division, Sandomierz Basin, Poland.
Figure 1 in Biology and defensive secretion of myrmecophilous Thiasophila spp. (Coleoptera: Staphylinidae: Aleocharinae) associated with the Formica rufa species group
Figure 1. Phenology of T. angulata in nests of F. polyctena and F. rufa, and of T. szujeckii in nests of F. truncorum. Abbreviations: T – teneral forms; Temp. – temperature inside nest (°C); WA – wintering adults; generation period (mean 60 days) (2008–2010). Leżajsk Forest Division, Sandomierz Basin, Poland.
Figure 7 in Biology and defensive secretion of myrmecophilous Thiasophila spp. (Coleoptera: Staphylinidae: Aleocharinae) associated with the Formica rufa species group
Figure 7. Chromatograph of the alarm pheromones of F. polyctena workers. The numbers in the chromatogram refer to the number of the chemicals in Table 3.
Predator defense is shaped by risk, brood value and social group benefits in a cooperative breeder
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Figure 4 in Biology and defensive secretion of myrmecophilous Thiasophila spp. (Coleoptera: Staphylinidae: Aleocharinae) associated with the Formica rufa species group
Figure 4. Life cycle of T. angulata. Photo: Zagaja, M (CorelDraw/PC).
Group 3 innate lymphoid cell pyroptosis represents a host defense mechanism against Salmonella infection
GEO Series GSE201292. Mus musculus. 6 samples. Type: Expression profiling by high throughput sequencing.
S1P-dependent inter-organ trafficking of group 2 innate lymphoid cells supports host defense
GEO Series GSE104708. Mus musculus. 6 samples. Type: Expression profiling by high throughput sequencing.
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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.