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115 results for “aposematism”
Data from: Distance-dependent aposematism and camouflage in the cinnabar moth caterpillar (Tyria jacobaeae Erebidae)
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Data from: The fitness effects of a pale mutant in the aposematic seed bug Lygaeus simulans indicate pleiotropy between warning coloration and life history
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Data from: Maternal effects and warning signal honesty in eggs and offspring of an aposematic ladybird beetle
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Data from: Stabilizing selection on individual pattern elements of aposematic signals
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Data from: Aposematism in the burying beetle? Dual function of anal fluid in parental care and chemical defense
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Data from: Why has transparency evolved in aposematic butterflies? insights from the largest radiation of aposematic butterflies, the Ithomiini
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Data from: Pattern edges improve predator learning of aposematic signals
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Data from: Prey with hidden colour defences benefit from their similarity to aposematic signals
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Data from: Aposematism: balancing salience and camouflage
Aposematic signals are often characterized by high conspicuousness. Larger and brighter signals reinforce avoidance learning, distinguish defended from palatable prey and are more easily memorized by predators. Conspicuous signalling, however, has costs: encounter rates with naive, specialized or nutritionally stressed predators are likely to increase. It has been suggested that intermediate levels of aposematic conspicuousness can evolve to balance deterrence and detectability, especially for moderately defended species. The effectiveness of such signals, however, has not yet been experimentally tested under field conditions. We used dough caterpillar-like baits to test whether reduced levels of aposematic conspicuousness can have survival benefits when predated by wild birds in natural conditions. Our results suggest that, when controlling for the number and intensity of internal contrast boundaries (stripes), a reduced-conspicuousness aposematic pattern can have a survival advantage over more conspicuous signals, as well as cryptic colours. Furthermore, we find a survival benefit from the addition of internal contrast for both high and low levels of conspicuousness. This adds ecological validity to evolutionary models of aposematic saliency and the evolution of honest signalling.
Data from: Aposematism: balancing salience and camouflage
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FIGURES 1–7 in New species of Ischalia Pascoe, 1860 (Coleoptera: Ischaliidae), with a key to aposematically coloured species from continental Asia, and new notes on their mimicry
FIGURES 1–7. General view and details of Ischalia spp., holotypes males: 1—I. (s. str.) ancora sp. nov., general view, dorsally, 2—same, invaginated tergite, ventrally, 3—same, aedeagus, ventrally, 4—same, laterally; 5—I. (s. str.) laosensis sp. nov., general view, dorsally, 6—same, aedeagus, ventrally, 7—same, laterally. Scale bars: 1.0 mm.
Figure 11. General appearance. A in Sexually dimorphic characters and shared aposematic patterns mislead the morphology-based classification of the Lycini (Coleoptera: Lycidae)
Figure 11. General appearance. A, Lycus sp. 60. B, ditto, elytron in the lateral view. C, Lycus sp. 61. D, Lycus sp. 62. E, Lycus sp. 62. F, G, Lycus sp. 66. H–J, Lycus sp. 71. K, L, Lycus sp. 72. M–P, Lycus sp. 73. Q, Lycus sp., lateral view (absent in the analysis). R–T, male genitalia. R, Lycus sp. 73. S, Lycus sp. 68. T, Lycus sp. 69. Scale bars: 3 mm (A–Q); 1 mm (R–T).
Figure 8. General appearance. A in Sexually dimorphic characters and shared aposematic patterns mislead the morphology-based classification of the Lycini (Coleoptera: Lycidae)
Figure 8. General appearance. A, Lycostomus sp. 3. B, C, Lycostomus sp. 4. D–F, Lycostomus sp. 12. G, H, Lycostomus sp. 16. I, Lycostomus sp. 18. J, Lycostomus sp. 19. K, L, Lycostomus sp. 8. M, Lycostomus modestus (sp. 13). N, Lycostomus sp. 19. O, pronotum and head, Lycostomus sp. 4. P–R, male genitalia. P, Lycostomus sp. 10. Q, Lycostomus sp. 9. R, Lycostomus sp. 8. Scale bars: 3 mm (A–O); 1 mm (P–R).
Figure 5. A in Sexually dimorphic characters and shared aposematic patterns mislead the morphology-based classification of the Lycini (Coleoptera: Lycidae)
Figure 5. A, the revised distribution of genera and their alpha diversity. B, the putative dispersal routes recovered by the analysis of the pruned dataset. The grey lines designate dispersal barriers that were never crossed by the Lycini.
Figure 2 in Sexually dimorphic characters and shared aposematic patterns mislead the morphology-based classification of the Lycini (Coleoptera: Lycidae)
Figure 2. The distribution and alpha diversity of the Lycini as defined until the present 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.