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3,183 results for “Parents”
Data from: Apparent vector-mediated parent-to-offspring transmission in an avian malaria-like parasite
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Data from: Elevating perceived predation risk modifies the relationship between parental effort and song complexity in the song sparrow (Melospiza melodia)
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Data from: Induced parental care in a poison frog: a tadpole cross-fostering experiment
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Data from: Offspring growth and mobility in response to variation in parental care: a comparison between populations
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Data from: Parental investment and body temperature explain encephalization in vertebrates
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Data for: Nestling mouth colors mediate parental favoritism but minimally influence detectability
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Light affects parental provisioning behaviour in a cavity-nesting Passerine
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Data for: Little parental response to anthropogenic noise in an urban songbird, but evidence for individual differences in sensitivity
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Data from: Conserved but attenuated parental gene expression in allopolyploids: constitutive zinc hyperaccumulation in the allotetraploid Arabidopsis kamchatica
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Data from: Evolution of elaborate parental care: phenotypic and genetic correlations between parent and offspring traits
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Data from: Hybrid speciation by sorting of parental incompatibilities in Italian sparrows
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On the hybrid origin of the C2 Salsola divaricata agg. (Amaranthaceae) from C3 and C4 parental lineages
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Resource allocation is determined by both parents and offspring in a burying beetle
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Genotypes, variants and pedigree from a human parent-offspring trio (NA12878)
<p>This dataset includes whole genome sequencing data, produced at the French National Research Center for Human Genomics (CNRGH), with known pedigree information:<br> - The VCF file contains genotypes and variants from a CEU parent-offspring trio comprising NA12878 (child), NA12891 (father) and NA12892 (mother).<br> For each member, 150-bp paired-end whole genome sequencing data were generated on the Illumina HiSeq X system, from a PCR-free library (40x).<br> - The TFAM file contains pedigree information of this CEU parent-offspring trio.</p>
Figure 2 in Offspring discrimination by female parents of the matriphagous spider Cheiracanthium japonicum (Araneae: Eutichuridae)
Figure 2. Temporal change of the number of surviving females of Cheiracanthium japonicum showing maternal care (broken line) and no maternal care (dashed line) for an artificial egg sac during the observing period of 25 days.
Figure 1 in Offspring discrimination by female parents of the matriphagous spider Cheiracanthium japonicum (Araneae: Eutichuridae)
Figure 1. Matriphagous spider Cheiracanthium japonicum. (a) Male on a nest constructed with poaceous leaves in the field; (b) artificial breeding nest built by a female in a polypropylene container; (c) female laying her eggs in her breeding nest; (d) juveniles in the second instar eating their own mother (matriphagy). Scale bars = 5 mm.
Genetic variation in parental effects contributes to the evolutionary potential of prey responses to predation risk
<p class="CxSpFirst">Despite the ubiquity of parental effects and their potential impact on evolutionary dynamics, their contribution to the evolution of predator-prey interactions remains poorly understood. Using quantitative genetics, here we demonstrate that parental effects substantially contribute to the evolutionary potential of larval antipredator responses in a leaf<i> </i>beetle (<em>Leptinotarsa</em> <i>decemlineata</i>). Previous research showed that larger <em>L.</em> <i>decemlineata</i> larvae elicit stronger antipredator responses, and mothers perceiving predators improved offspring responses by increasing intraclutch cannibalism –an extreme form of offspring provisioning. We now report substantial additive genetic variation underlying maternal ability to induce intraclutch cannibalism, indicating the potential of this adaptive maternal effect to evolve by natural selection. We also show that paternal size, a heritable trait, impacted larval responses to predation risk, but that larval responses themselves had little additive genetic variation. Together, these results demonstrate how larval responses to predation risk can evolve via two types of parental effects, both of which provide indirect sources of genetic variation for offspring traits.<b> </b></p>
Parental investment does not directly affect reproductive success in the Saffron Finch
<p>In tropical species, the study of parental care and the description of the intraspecific variation of parental care remain relatively understudied, especially when compared to the vast works dedicated to species from the northern hemisphere. In Colombia, the Saffron Finch (<i>Sicalis flaveola</i>), is a species with a wide geographical distribution, and despite its abundance in open habitats and urban environments, little is known about its reproductive ecology. As a small‐bodied, short‐lived passerine, we postulated that the Saffron Finch should behave according to the "reproductive value hypothesis,'' investing in the current brood at the expense of future survival. Consequently, we predicted: (1) that parental investment would be associated with brood size and (2) parental investment would be positively associated with nestling growth rate and reproductive success (defined as the number of nestlings which reached fledging age). In 2018, two reproductive peaks of <i>S. flaveola flaveola</i> were documented in the Meléndez campus of Universidad del Valle, Cali. Direct observations and video cameras (> 1700 hours of recording) were used to monitor the nests from 38 different breeding pairs. We found that feeding visits and the number of regurgitation events were positively related to brood size. In an experiment of simulated nest predation, 85% of breeding pairs responded to the stimulus and parents who exhibited highly responsive behaviours (50%) raised nestlings with a higher growth rate. We also found that egg surface area positively affected the number of incubation bouts per hour. Whilst no relationship was found between overall parental investment and reproductive success, our results appear to show that the intensity of parental investment during reproduction was modulated by brood size. Our findings suggest that there are multiple ecological factors that influence reproductive success in the Saffron Finch, and reinforce the need for longer term studies of tropical passerines.</p>
Burying beetle parents adaptively manipulate information broadcast from a microbial community
<p>Microbial volatiles provide essential information for animals, which compete to detect, respond to and perhaps control this information. Burying beetle parents have the opportunity to influence microbially-derived semiochemicals because they monopolize a small carcass for their family, repairing feeding holes and applying exudates that alter the microbial community. To study adaptive manipulation of microbial cues we integrated mechanistic and functional approaches. We contrasted Gas Chromatography, Mass Spectrometry (GC-MS) volatile profiles from carcasses that were or were not prepared by a resident pair of <i>Nicrophorus orbicollis</i>. Methyl thiocyanate (MeSCN), the primary attractant for burying beetles seeking a fresh carcass, was reduced 20-fold by carcass preparation, while dimethyl trisulfide (DMTS), which deters beetles, was increased 20-fold. These results suggest that parental care serves to make previously public information more private (crypsis, MeSCN) and to disinform rivals with a deterrent (DMTS). Functional tests in the field demonstrated that carcass preparation reduced discovery and use by congeners (three-fold) as well as by dipteran rivals. Because microbes and their chemicals influence nearly every aspect of animal ecology, animal manipulation of microbial cues may be as widespread as manipulation of their own signals.</p>
Sex‐specific effects of predation risk on parental care in a sexually dichromatic Neotropical songbird
<p>Predation risk affects a broad range of bird behaviours, especially parental care. The adaptive behavioural changes presented by both parents, however, may differ according to different levels of predation risk suffered by each sex. This is especially prominent in sexually dichromatic species, where one of the sexes is more visually conspicuous and hence vulnerable to increased nest predation risk during nest visits. Here, we experimentally investigated how predation risk affects the parental behaviour of a sexually dichromatic Neotropical passerine, the blue-black grassquit (Volatinia jacarina). We used playbacks of known predators and non-predatorial control sympatric species near nesting pairs in the field. Results show that grassquits modify their behaviour according to predation risk and that this behavioural response is sexdependent. Males decrease their nest visit times, become more discreet when moving towards the nest, and stop performing sexual displays after leaving the nest. In contrast, females tend to decrease latency to visit the nest and increase the duration of brooding bouts. These different sex responses reduce nest visual and acoustic detectability, since conspicuous males are readily spotted on nests and cryptic females camouflage nestlings and suppress begging calls. Although these behavioural changes might reduce predation risk, there might be a cost of reduced food load to nestlings and increased brood starvation risk. These changes in nesting activities illustrate the behavioural adaptability of passerines to ensure offspring survival in tropical high predation risk environments.</p>
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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.