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370 results for “seasonal variations”
Data from: Nasty neighbours in the Neotropics: seasonal variation in physical and vocal aggressions in a montane forest songbird, the Grey-browed Brushfinch
<p>Many territorial animals exhibit differences in their responses against intruders based on the level of threat that they pose. The dear-enemy and the nasty-neighbour effects refer to situations in which territorial aggressions are stronger against stranger and neighbour individuals, respectively. Using playback experiments during pre-breeding and post-breeding seasons in a songbird from Neotropical montane forests (Grey-browed Brushfinch, <em>Arremon</em> <em>assimilis</em>), we found that males exhibit the nasty-neighbour effect because they responded more aggressively towards neighbours than to strangers. However, territorial behaviour varied seasonally: (1) aggressions to all intrusions by neighbours were equally strong regardless of the location from which they were perceived prior to reproduction and (2) individuals were more aggressive towards neighbour males when perceived at a different border of their territory to the one they share during the post-breeding season. We conclude that territorial males respond to neighbours by assessing their threat to paternity and territoriality and thus modulate their aggressive response based on the season. In contrast, limited responses to strangers suggest that these individuals do not represent a serious threat to males of <em>A. assimilis</em> during the seasons we studied them. Thus, territorial aggressions against neighbours appear to be a mate-guarding mechanism in this species. Our results differ from those found in temperate zones, where strangers often elicit responses indicating they may represent a stronger threat than neighbours. Additional studies on the behavioral ecology of tropical birds are required to understand the generality of nasty-neighbour effects and the drivers of territorial behaviors.</p>
Supplementary data to "What are the effects of temperature on plasticity, shape symmetry and seasonal variation in freshwater benthic green microalga Micrasterias thomasiana?"
<p>The supplementary data consist of the files including the landmark coordinates of Micrasterias thomasiana semicells used for the analyses described in the manuscript submitted to Aquatic Ecology. The coordinates are presented in the TPS format.</p> <p> </p>
Seasonal variation of behavior and brain size in a freshwater fish
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Energy-water and seasonal variations in climate underlie the spatial distribution patterns of gymnosperms species richness in China
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Interspecific variation in leaf phenology and its relationship with plant traits in a seasonal tropical forest
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Magnolia Warbler (Setophaga magnolia) flight calls demonstrate individuality and variation by season and recording location
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Data from: Hierarchical variation in phenotypic flexibility across timescales and associated survival selection shape the dynamics of partial seasonal migration
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Data from: Seasonal variation in male alternative reproductive tactics
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Data from: Nasty neighbours in the Neotropics: seasonal variation in physical and vocal aggressions in a montane forest songbird, the Grey-browed Brushfinch
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Data from: Seasonal variations in planktonic food web structure affect stability by shifting the distribution of energy fluxes
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Seasonal variation in age, sex, and reproductive status of Mexican free-tailed bats
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Focal vs. faecal: Seasonal variation in the diet of wild vervet monkeys from observational and DNA metabarcoding data
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Data from: Seasonality and morphological variation shape intraspecific seed dispersal networks in gopher tortoises
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Geographic, seasonal and ontogenetic variations of δ15N and δ13C of Japanese sardine explained by baseline variations and diverse fish movements
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Effects of latitudinal, seasonal, and daily temperature variations on chytrid fungal infections in a North American frog
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Network dynamics revealed from eDNA highlight seasonal variation in urban mammal communities
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Data from: Snow-cover seasonality in Kyrgyzstan: Variation and change over 20 years (2001-2021) as observed by the MODIS Terra snow product
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Genetic differentiation underlies seasonal variation in thermal tolerance, body size, and plasticity in a short-lived copepod
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Data from: Camera traps reveal seasonal variation in activity and occupancy of the Alpine mountain hare (Lepus timidus varronis)
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Morphometric variation and deteriorating food availability both explain seasonally declining reproductive success of Dicrurus hottentottus (Hair-crested Drongo)
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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.