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27 results for “predator attack”
Data from: Eyespots deflect predator attack increasing fitness and promoting the evolution of phenotypic plasticity
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Caterpillar survival in the city: Attack rates on model lepidopteran larvae along an urban-rural gradient show no increase in predation with increasing urban intensity (Raw Data)
<p><span><span><span><span><span><span><span><span><span><span><span>Growing native plants in urban gardens is often promoted as a possible means of increasing lepidopteran populations. However, the efficacy of such efforts has not been well studied. Lepidopterans vary widely in their ability to survive in cities, and the few previous studies of caterpillar abundance or biomass across an urban-rural gradient have yielded mixed results. We placed clay caterpillar models in native plant gardens to assess whether the attack rate on these models varied with degree of urbanization (percent impervious surface within 1 km radius of each garden), and whether responses differed across predator taxa. We also examined how garden characteristics (plant biovolume density, plant species richness) affected probability of attack. Overall, attack rates on these models decreased with increasing impervious surface, although predator taxa varied in their sometimes complex responses. For parasitoid wasps, which accounted for 47% of all attacks, increasing biovolume density increased attack probability at impervious surface levels below 35%, but decreased the probability of attack at higher levels of impervious surface. In contrast, probabilities of attack by both predatory wasps and vertebrates decreased with increasing percent impervious surface, but did not vary with impervious surface for ants and spiders. Predation on caterpillars in urban gardens may be lower than in rural ones; however, this potential increase in survival may be a result of declines in some predator taxa, such as predatory wasps and insectivorous birds. More studies across an urban gradient are needed to measure factors other than predation that influence caterpillar survival in gardens.</span></span></span></span></span></span></span></span></span></span></span></p>
Data from: Failed predator attacks have detrimental effects on antipredatory capabilities through developmental plasticity in Pelobates cultripes toads
1. How predation events experienced by preys can shape phenotypic traits through the ontogenetic development of the interacting species should be a key issue in Evolutionary and Conservation Biology. 2. Locomotor performance plays a fundamental role on the fitness of many animals, mainly because it enhances ability to fleeing from predators. Predators represent indeed a capital selective force on prey, mainly because they end prey life. However, predators may also damage prey by other means, such as injuries caused by failed attacks. This damage can severely affect locomotion, among several other aspects of prey fitness. In the case of anuran tadpoles, failed predator attacks often result in injured tails, which reduces swimming performance. However, little is known about lasting effects of those failed attacks on fleeing capabilities after metamorphosis. 3. In this work, we clipped 55% tail length of pre-tail-resorption stage anaesthetized larval Pelobates cultripes toads, and compared metamorph hindlimb length and jump distance with metamorphs resulting from anaesthetized and non-anaesthetized non-clipped controls. Previous findings showed that this treatment produced metamorphs with reduced body condition. 4. Results herein suggest that partial tail loss in tadpoles diminishes jumping performance of resultant metamorphs. This effect is likely a consequence of tail-clipped tadpoles developing shorter hindlimbs as metamorphs, which is parallel to their reduced body condition. 5. Therefore, predator attacks in the tail may be less potentially mortal than those in the head and body, but have costs in terms of an efficient antipredatory response that persist in post-metamorphic stage. This effect might compromise metamorph ability to survive subsequent predator attacks.
Data from: Determinants of predation success: how to survive an attack from a rattlesnake
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Data from: Failed predator attacks have detrimental effects on antipredatory capabilities through developmental plasticity in Pelobates cultripes toads
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Caterpillar survival in the city: Attack rates on model lepidopteran larvae along an urban-rural gradient show no increase in predation with increasing urban intensity (Raw Data)
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FIGURE 22. Feeding aggregation small. Peltaster placenta and Cidaris rugosa attacking a in New species, occurrence records and observations of predation by deep-sea Asteroidea (Echinodermata) from the North Atlantic by NOAA ship Okeanos Explorer
FIGURE 22. Feeding aggregation small. Peltaster placenta and Cidaris rugosa attacking a sponge. Scale bar=10.0 cm. A.Wide angle. B. Focus on dominant Peltaster placenta.
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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.