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23 results for “predation risk assessment”
Fig. 15. P in First Records Of New Aquatic Predator Pelodiscus Sinensis (Wiegmann 1835) In Latvia And Preliminary Ecological Risk Assessment Of The Invasion For Autochthonic Emys Orbicularis (Linnaeus 1758)
Fig. 15. P.sinensis laid eggs after breeding in captivity (Latgales Zoo, shelter for exotic turtles).
Fig.13 in First Records Of New Aquatic Predator Pelodiscus Sinensis (Wiegmann 1835) In Latvia And Preliminary Ecological Risk Assessment Of The Invasion For Autochthonic Emys Orbicularis (Linnaeus 1758)
Fig.13. Old adult female of Emys orbicularis from the habitat, where Pelodiscus sinensis #PeSi0003 was found in 2014 (Daugavpils, Latvia) (Photo: 2003).
Fig. 5 in First Records Of New Aquatic Predator Pelodiscus Sinensis (Wiegmann 1835) In Latvia And Preliminary Ecological Risk Assessment Of The Invasion For Autochthonic Emys Orbicularis (Linnaeus 1758)
Fig. 5. Olaines lake, habitat of the first P.sinensis #PeSi0001 recorded in Latvia (Photo: Drezina, 2008).
Fig. 7 in First Records Of New Aquatic Predator Pelodiscus Sinensis (Wiegmann 1835) In Latvia And Preliminary Ecological Risk Assessment Of The Invasion For Autochthonic Emys Orbicularis (Linnaeus 1758)
Fig. 7. Orthophoto of habitat of findings of P.sinensis #PeSi0001 in Olaine, Latvia (Google Earth services).
Fig. 14. Received from owners P in First Records Of New Aquatic Predator Pelodiscus Sinensis (Wiegmann 1835) In Latvia And Preliminary Ecological Risk Assessment Of The Invasion For Autochthonic Emys Orbicularis (Linnaeus 1758)
Fig. 14. Received from owners P.sinensis breeding in captivity (Latgales Zoo, shelter for exotic turtles).
Fig. 9 in First Records Of New Aquatic Predator Pelodiscus Sinensis (Wiegmann 1835) In Latvia And Preliminary Ecological Risk Assessment Of The Invasion For Autochthonic Emys Orbicularis (Linnaeus 1758)
Fig. 9. Orthophoto of habitat of findings of P.sinensis #PeSi0003 in Daugavpils, Latvia (Google Earth services).
Fig.12 in First Records Of New Aquatic Predator Pelodiscus Sinensis (Wiegmann 1835) In Latvia And Preliminary Ecological Risk Assessment Of The Invasion For Autochthonic Emys Orbicularis (Linnaeus 1758)
Fig.12. Peculiarities of P.sinensis findings waterbodies anthropogenic influence and distance potential for species distribution in Latvia.
Data from: Steller's jays assess and communicate about predator risk using detection cues and identity
Predators can vary in the risk they pose, depending upon the factors such as body size, maneuverability, hunting strategy, and diet. Prey can also detect predators with different senses, such as seeing, hearing, or smelling them. We presented wild Steller's jays (Cyanocitta stelleri annectens) with visual cues (robotic raptors) or acoustic cues (call playbacks) of 4 different raptors to test how they assess risk and how this influences their alarm calls. The assessment of risk from different predator cues varied with different species of raptors: Jays responded to sharp-shinned hawks (Accipiter striatus) with an increase in latency to resume foraging regardless of whether they were seen or heard, whereas latency responses to northern goshawks (Accipiter gentilis) were longer if they were seen versus if they were heard. Furthermore, Steller's jays altered the acoustic structure of their alarm calls depending on the species of raptor and whether they saw or heard them. These results demonstrate that Steller's jay's assessment of risk involves an interaction between predator identity and predator detection cue and in response, they alter their acoustically-simple alarm calls in surprisingly nuanced ways.
Predator metamorphosis and its consequence for prey risk assessment
<p>Living with a diverse array of predators provides a significant challenge for prey to learn and retain information about each predator they encounter. Consequently, some prey respond to novel predators because they have previous experience with a perceptually similar predator species, a phenomenon known as generalization of predator recognition. However, it remains unknown whether prey can generalize learned responses across ontogenetic stages of predators. Using wood frog (<em>Lithobates sylvaticus</em>) tadpole prey we conducted two experiments to explore the extent of predator generalization of different life stages of two different predators: (1) predacious diving beetles (<em>Dytiscus</em> sp.) and (2) tiger salamanders (<em>Ambystoma mavortium</em>). In both experiments, we used chemical alarm cues (i.e., injured conspecific cues) to condition tadpoles to recognize the odor of either the larval or adult stage of the predator as risky. One day later, we tested tadpoles with either the larval or adult predator odor to determine whether they generalized their learned responses to the other life stages of the predator. Tadpoles generalized between larval and adult beetle odors but failed to generalize between larval and adult salamander odors. These results suggest that the odor of some predator species changes during metamorphosis to an extent that reduces their recognisability by prey. This 'predator identity reset' increases the number of threats to which prey need to attend. </p>
Fig.11 in First Records Of New Aquatic Predator Pelodiscus Sinensis (Wiegmann 1835) In Latvia And Preliminary Ecological Risk Assessment Of The Invasion For Autochthonic Emys Orbicularis (Linnaeus 1758)
Fig.11. Peculiarities of P.sinensis findings waterbodies water connectivity in Latvia.
Fig.1 in First Records Of New Aquatic Predator Pelodiscus Sinensis (Wiegmann 1835) In Latvia And Preliminary Ecological Risk Assessment Of The Invasion For Autochthonic Emys Orbicularis (Linnaeus 1758)
Fig.1. Placement of the findings of Pelodiscus sinensis in Latvia.
Fig. 4 in First Records Of New Aquatic Predator Pelodiscus Sinensis (Wiegmann 1835) In Latvia And Preliminary Ecological Risk Assessment Of The Invasion For Autochthonic Emys Orbicularis (Linnaeus 1758)
Fig. 4. Ventral side of the first P.sinensis #PeSi0001 found in Latvia.
Fig. 10 in First Records Of New Aquatic Predator Pelodiscus Sinensis (Wiegmann 1835) In Latvia And Preliminary Ecological Risk Assessment Of The Invasion For Autochthonic Emys Orbicularis (Linnaeus 1758)
Fig. 10. Peculiarities of P.sinensis findings waterbodies size in Latvia.
Data from: Steller’s jays assess and communicate about predator risk using detection cues and identity
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Predator metamorphosis and its consequence for prey risk assessment
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Data from: Parasite and predator risk assessment: nuanced use of olfactory cues
Foraging herbivores face twin threats of predation and parasite infection, but the risk of predation has received much more attention. We evaluated, experimentally, the role of olfactory cues in predator and parasite risk assessment on the foraging behaviour of a population of marked, free-ranging, red-necked wallabies (Macropus rufogriseus). The wallabies adjusted their behaviour according to these olfactory cues. They foraged less, were more vigilant and spent less time at feeders placed in the vicinity of faeces from dogs that had consumed wallaby or kangaroo meat compared with that of dogs feeding on sheep, rabbit or possum meat. Wallabies also showed a species-specific faecal aversion by consuming less food from feeders contaminated with wallaby faeces compared with sympatric kangaroo faeces, whose gastrointestinal parasite fauna differs from that of the wallabies. Combining both parasite and predation cues in a single field experiment revealed that these risks had an additive effect, rather than the wallabies compromising their response to one risk at the expense of the other.
When is it safe to go home? Post-predation assessment of risk and safety when personal information conflicts with social cues
<p>Navigating the risk of predation is a major driver of behavioral decision-making in small fishes. Fish use personal information from olfactory and visual indicators of risk, and also rely upon social cues to inform behavioral trade-offs between risk avoidance and fitness-positive activities such as foraging. Here, fathead minnows (<em>Pimephales promelas</em>), were captured, clipped, and released at 48 field sites chemically labeled with either fathead minnow alarm cue (high risk) or water (low risk). We removed the chemical label after 2 h, then monitored area use by clipped and non-clipped fish. In addition, a shoal was placed in traps in half of the risky and half of the safe locations as a visual social cue of safety. We caught 2919 fish in the first sample, of which 594 were fathead minnows. These were clipped and released. The second sample caught 1500 fish, of which 164 were fathead minnows including 11 bearing marks from the first sample. Fathead minnows and northern redbelly dace in the general community, which lacked personal information about risk status associated with trap sites, avoided areas previously labeled with alarm cues for at least 2 h after the source of alarm cue was removed, unless an experimental shoal was present at the risky site, in which case they joined the shoal in the trap. Clipped fathead minnows with direct personal knowledge of risk showed a significant shift away from areas labeled with conspecific alarm cues and a significant attraction toward sites seeded with a shoal. Moreover, unlike fish in the general community, clipped fathead minnows were not influenced by experimental shoals at sites previously labeled as risky. These data indicate that the influence of social cues on safety depends on whether individual minnows have access to recent personal information about risk assessment.</p>
Data from: Parent birds assess nest predation risk: influence of cavity condition and avian nest predator activity
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Data from: Parasite and predator risk assessment: nuanced use of olfactory cues
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When is it safe to go home? Post-predation assessment of risk and safety when personal information conflicts with social cues
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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)
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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.