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136 results for “behavioural ecology”
Figure 8 in Ecology and behaviour of the 'road tarantulas' Eupalaestrus weijenberghi and Acanthoscurria suina (Araneae, Theraphosidae) from Uruguay
Figure 8. Temporal distribution of males, females and juveniles of Acanthoscurria suina collected in pit-fall traps.
Figure 4 in Ecology and behaviour of the 'road tarantulas' Eupalaestrus weijenberghi and Acanthoscurria suina (Araneae, Theraphosidae) from Uruguay
Figure 4. Schematic representation of burrows of Acanthoscurria suina and Eupalaestrus weijenberghi; ch, chamber; tt, terminal tube (see text).
Figure 1 in Ecology and behaviour of the 'road tarantulas' Eupalaestrus weijenberghi and Acanthoscurria suina (Araneae, Theraphosidae) from Uruguay
Figure 1. Map of Uruguay with the routes and roads surveyed in the study, showing the distribution of Eupalaestrus weijenberghi (triangles), and the five sites where density studies were performed (stars). Each triangle represents the occurrence of one or more individuals of the species.
Figure 10 in Ecology and behaviour of the 'road tarantulas' Eupalaestrus weijenberghi and Acanthoscurria suina (Araneae, Theraphosidae) from Uruguay
Figure 10. Temporal distribution of moults of adult Eupalaestrus weijeberghi under laboratory conditions.
Figure 9 in Ecology and behaviour of the 'road tarantulas' Eupalaestrus weijenberghi and Acanthoscurria suina (Araneae, Theraphosidae) from Uruguay
Figure 9. Temperature, atmospheric pressure, relative humidity and rainfall during the trap capture period in the two sites studied (Melilla and Carrasco).
Figure 7 in Ecology and behaviour of the 'road tarantulas' Eupalaestrus weijenberghi and Acanthoscurria suina (Araneae, Theraphosidae) from Uruguay
Figure 7. Temporal distribution of males, females and juveniles of Eupalaestrus weijenberghi collected in pit-fall traps.
Figure 12 in Ecology and behaviour of the 'road tarantulas' Eupalaestrus weijenberghi and Acanthoscurria suina (Araneae, Theraphosidae) from Uruguay
Figure 12. Defensive threat display of a male Acanthoscurria suina (photograph: Marcelo Casacuberta).
Figure 5 in Three ways to distinguish species: using behavioural, ecological, and molecular data to tell apart two closely related ants, Camponotus renggeri and Camponotus rufipes (Hymenoptera: Formicidae)
Figure 5. Box plots of Kimura two-parameter (K2P) distance of 672 bp cytochrome c oxidase subunit I sequences within and between Camponotus renggeri and Camponotus rufipes. Boxes indicate interquartile range (upper line, quartile 3; lower line, quartile 1). Horizontal lines with boxes indicate median and whiskers the minimum and the maximum values. Outliers are shown as individual circles.
Figure 4 in Three ways to distinguish species: using behavioural, ecological, and molecular data to tell apart two closely related ants, Camponotus renggeri and Camponotus rufipes (Hymenoptera: Formicidae)
Figure 4. Genetic structure analyses of Camponotus renggeri (yellow) and Camponotus rufipes (red) workers from Mogi- Guaçu (Brazil), using microsatellites. A, model-based assignment of individuals to the most likely number of clusters (K = 2) using STRUCTURE software. B, model-based assignment of individuals to different classes of hybrids or 'pure' species. Each individual is represented by a vertical line and the colours indicate the probability of the individual being assigned to a group in (A), or a hybrid or 'pure species' class in (B). C, scatterplot of the model-free principal coordinates analysis considering the two first principal coordinates (PCo1 and 2).
Figure 2 in Three ways to distinguish species: using behavioural, ecological, and molecular data to tell apart two closely related ants, Camponotus renggeri and Camponotus rufipes (Hymenoptera: Formicidae)
Figure 2. Main vegetation physiognomies of the cerrado reserve at Mogi-Guaçu, Brazil. Cerrado sensu stricto consists of a dense scrub of shrubs and trees and a fair amount of herbaceous vegetation, whereas the cerradão is a closed woodland with a reduced ground layer. Nests of Camponotus renggeri (N = 46) were found in cerrado sensu stricto (22%) and cerradão (78%), whereas Camponotus rufipes (N = 40) occurred only in cerrado sensu stricto. Drawing by L. Mota.
Figure 1 in Three ways to distinguish species: using behavioural, ecological, and molecular data to tell apart two closely related ants, Camponotus renggeri and Camponotus rufipes (Hymenoptera: Formicidae)
Figure 1. Workers of (A) Camponotus renggeri and (B) Camponotus rufipes. The two species are usually differentiated in the field by nuances in the integument colour (C. renggeri is shiny; C. rufipes is matte), and colour of the legs (yellowish in C. renggeri; reddish in C. rufipes). Photographs courtesy of L. Mota.
Figure 6 in Three ways to distinguish species: using behavioural, ecological, and molecular data to tell apart two closely related ants, Camponotus renggeri and Camponotus rufipes (Hymenoptera: Formicidae)
Figure 6. Analyses of the cytochrome c oxidase subunit I haplotypes of Camponotus renggeri (yellow) and Camponotus rufipes (red). A, neighbour-joining tree constructed with Kimura two-parameter distances between C. renggeri and C. rufipes with bootstrap support values based on 10 000 replications indicated on each branch. B, median-joining network amongst the obtained haplotypes. Values on the branches represent the numbers of mutational steps distinguishing the haplotypes, represented as circles whose areas are proportional to the number of individuals with that haplotype.
Figure 3 in Three ways to distinguish species: using behavioural, ecological, and molecular data to tell apart two closely related ants, Camponotus renggeri and Camponotus rufipes (Hymenoptera: Formicidae)
Figure 3. Frequency distribution of nest categories in Camponotus renggeri and Camponotus rufipes in the cerrado reserve at Mogi-Guaçu, Brazil. The species differed in the structure and building materials used for nesting.
Inhibitory control, exploration behaviour and manipulated ecological context are associated with foraging flexibility in the great tit
<p class="MsoCommentText">Organisms are constantly under selection to respond effectively to diverse, sometimes rapid, changes in their environment, but not all individuals are equally plastic in their behaviour. Although cognitive processes and personality are expected to influence individual behavioural plasticity, the effects reported are highly inconsistent, which we hypothesise is because ecological context is usually not considered.</p> <p class="MsoCommentText">We explored how one type of behavioural plasticity, foraging flexibility, was associated with inhibitory control (assayed using a detour-reaching task) and exploration behaviour in a novel environment (a trait closely linked to the fast-slow personality axis). We investigated how these effects varied across two experimentally manipulated ecological contexts, food value and predation risk.</p> <p class="MsoCommentText">In the first phase of the experiment, we trained great tits <i>Parus major</i> to retrieve high value (preferred) food that was hidden in sand so that this became the familiar food source. In the second phase, we offered them the same familiar hidden food at the same time as a new alternative option that was visible on the surface, which was either high or low value, and under either high or low perceived predation risk. Foraging flexibility was defined as the proportion of choices made during four minute trials that were for the new alternative food source.</p> <p>Our assays captured consistent differences among individuals in foraging flexibility. Inhibitory control was associated with foraging flexibility - birds with high inhibitory control were more flexible when the alternative food was high value, suggesting they inhibited the urge to select the familiar food and instead selected the new food option. Exploration behaviour also predicted flexibility – fast explorers were more flexible, supporting the information gathering hypothesis. This tendency was especially strong under high predation risk, suggesting risk aversion also influenced the observed flexibility because fast explorers are risk prone and the new unfamiliar food was perceived to be the risky option. Thus, both behaviours predicted flexibility, and these links were at least partly dependent on ecological conditions.</p> <p class="MsoCommentText">Our results demonstrate that an executive cognitive function (inhibitory control) and a behavioural assay of a well-known personality axis are both associated with individual variation in the plasticity of a key functional behaviour. That their effects on foraging flexibility were primarily observed as interactions with food value or predation risk treatments also suggests that the population level consequences of some behavioural mechanisms may only be revealed across key ecological conditions.</p>
Fig 1 in Aspects of the ecology and behaviour of the Seychelles theraphosid Nesiergus insulanus (Arachnida: Araneae: Theraphosidae)
Fig 1. Map of Frégate Island, sampling sites indicated by white dots (adapted from Google Earth, DigitalGlobe map data 2015).
Fig 2 in Aspects of the ecology and behaviour of the Seychelles theraphosid Nesiergus insulanus (Arachnida: Araneae: Theraphosidae)
Fig 2. Female Nesiergus insulanus with egg sac in burrow and displaying defensive behaviour type: immobility-body cover.
Data from: Ecology of fear alters behaviour of grizzly bears exposed to bear-viewing ecotourism
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Quantifying animal social behaviour with ecological field methods
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Inhibitory control, exploration behaviour and manipulated ecological context are associated with foraging flexibility in the great tit
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Location and caller familiarity influence mobbing behaviour and the likely ecological impact of noisy miners around colony edges
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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.