Hot-headed peckers: thermographic changes during aggression among juvenile pheasants (Phasianus colchicus) DOI Open Access
Sophia Knoch, Mark A. Whiteside, Joah R. Madden

et al.

Philosophical Transactions of the Royal Society B Biological Sciences, Journal Year: 2022, Volume and Issue: 377(1845)

Published: Jan. 10, 2022

In group-living vertebrates, dominance status often covaries with physiological measurements (e.g. glucocorticoid levels), but it is unclear how linked to dynamic changes in state over a shorter, behavioural timescale. this observational study, we recorded spontaneous aggression among captive juvenile pheasants (Phasianus colchicus) alongside infrared thermographic of their external temperature, non-invasive technique previously used examine stress responses non-social contexts, where peripheral blood redirected towards the body core. We found low highly significant repeatability maximum head suggesting individually consistent thermal profiles, and some indication lower temperatures more active states walking compared resting). These individual differences were partly associated sex, females being cooler on average than males, unrelated size. During pairwise aggressive encounters, observed non-monotonic temperature change, dropping rapidly immediately prior an attack increasing afterwards, before returning baseline levels. This nonlinear pattern was similar for birds aggressor recipient roles, aggressors slightly hotter average. Our findings show that interactions induce rapid dominants subordinates alike, highlight thermography as promising tool investigating basis pecking orders galliforms. article part theme issue 'The centennial order: current future prospects study hierarchies'.

Language: Английский

Mechanisms of equality and inequality in mammalian societies DOI
Jennifer E. Smith, Barbara Natterson-Horowitz,

Maddison M. Mueller

et al.

Philosophical Transactions of the Royal Society B Biological Sciences, Journal Year: 2023, Volume and Issue: 378(1883)

Published: June 26, 2023

The extent of (in)equality is highly diverse across species social mammals, but we have a poor understanding the factors that produce or inhibit equitable organizations. Here, adopt comparative evolutionary perspective to test whether evolution dominance hierarchies, measure inequality in animals, exhibits phylogenetic conservatism and interspecific variation these traits can be explained by sex, age captivity. We find hierarchy steepness directional consistency evolve rapidly without any apparent constraint from history. Given this extraordinary variability, next consider multiple evolved mitigate inequality. Social networks, coalitionary support knowledge transfer advantage privilege some individuals over others. Nutritional access prenatal stressors impact development offspring, generating health disparities with intergenerational consequences. Intergenerational material resources (e.g. stone tools, food stashes, territories) those who receive. Nonetheless, many same experience unequal (survival) mates (reproduction) engage levelling mechanisms such as sharing, adoption, revolutionary coalitions, forgiveness inequity aversion. Taken together, mammals rely upon suite balance costs benefits group living. This article part theme issue 'Evolutionary ecology inequality'.

Language: Английский

Citations

13
A pair of cadmium-exposed zebrafish affect social behavior of the un-exposed majority DOI Creative Commons
Delia S. Shelton, Zoe M. Dinges,

Anuj Khemka

et al.

Environmental Toxicology and Pharmacology, Journal Year: 2023, Volume and Issue: 100, P. 104119 - 104119

Published: April 5, 2023

Language: Английский

Citations

11
Rapid changes in plasma corticosterone and medial amygdala transcriptome profiles during social status change reveal molecular pathways associated with a major life history transition in mouse dominance hierarchies DOI Creative Commons

Tyler M. Milewski,

Won Lee, Rebecca L. Young

et al.

PLoS Genetics, Journal Year: 2025, Volume and Issue: 21(1), P. e1011548 - e1011548

Published: Jan. 13, 2025

Social hierarchies are a common form of social organization across species. Although largely stable time, animals may socially ascend or descend within depending on environmental and challenges. Here, we develop novel paradigm to study ascent descent male CD-1 mouse hierarchies. We show that mice all ranks rapidly establish new when placed in groups with equivalent status. Seventy minutes following hierarchy formation, males were dominant prior being into exhibit higher increases plasma corticosterone vastly greater transcriptional changes the medial amygdala (MeA), which is central regulation behavior, compared who subordinate hierarchy. Specifically, loss status (social descent) associated reductions MeA expression myelination oligodendrocyte differentiation genes. Maintaining high genes related cholinergic signaling MeA. Conversely, gaining ascent) relatively few unique rapid also identify transition undergo either maintaining their Two genes, Myosin binding protein C1 ( Mybpc1 ) μ-Crystallin Crym ), vasoactive intestinal polypeptide (VIP) thyroid hormone pathways respectively, highly upregulated transitioning individuals. Further, synaptic plasticity, excitatory glutamatergic learning memory observed suggesting these processes support changes.

Language: Английский

Citations

0
DomArchive: a century of published dominance data DOI Creative Commons
Eli D. Strauss,

Alex R. DeCasien,

Gabriela Galindo

et al.

Philosophical Transactions of the Royal Society B Biological Sciences, Journal Year: 2022, Volume and Issue: 377(1845)

Published: Jan. 10, 2022

Dominance behaviours have been collected for many groups of animals since 1922 and serve as a foundation research on social behaviour structure. Despite wealth data from the last century dominance hierarchies, these are only rarely used comparative insight. Here, we aim to facilitate studies structure function hierarchies by compiling published interaction datasets 100 years work. This compiled archive includes 436 190 367 unique (mean group size 13.8, s.d. = 13.4) 135 different species, totalling over 243 000 interactions. These presented in an R package alongside relevant metadata tool subsetting based biological or methodological criteria. In this paper, explain how use archive, discuss potential limitations data, reflect best practices publishing our experience assembling dataset. will important resource future promote development general unifying theories behavioural ecology that can be grounded testing with empirical data. article is part theme issue ‘The centennial pecking order: current state prospects study hierarchies’.

Language: Английский

Citations

19
A machine learning-based positioning method for poultry in cage environments DOI
Hao Xue, Lihua Li, Peng Wen

et al.

Computers and Electronics in Agriculture, Journal Year: 2023, Volume and Issue: 208, P. 107764 - 107764

Published: March 29, 2023

Language: Английский

Citations

10
Mixed-species groups and the question of dominance in the social ecosystem DOI
Brittany A. Coppinger, Nora V. Carlson, Todd M. Freeberg

et al.

Philosophical Transactions of the Royal Society B Biological Sciences, Journal Year: 2023, Volume and Issue: 378(1878)

Published: April 17, 2023

Dominance interactions and hierarchies are of long-standing interest in the field animal behaviour. Currently, dominance viewed as complex social structures formed by repeated between individuals. Most studies on this phenomenon come from single-species groups. However, animals constantly surrounded interact with individuals other species. Behaviour can be shaped presence or behaviour species their ecosystem, which has important implications for Given how ubiquitous mixed-species groups are, deeper study relationships group (MSG) structure will key to understanding constraints individual decision making. Here we call more research into among MSGs. Greater dynamics MSGs, whose size composition change considerably over shorter longer term time frames, crucial functioning. This article is part theme issue ‘Mixed-species aggregations: shaping ecological behavioural patterns processes’.

Language: Английский

Citations

10
Novel behavioural assays reveal sex‐specific behavioural syndromes in anemonefish DOI Creative Commons

Gabriel J. Graham,

Isabella M. Wilton,

Emily K. Panczyk

et al.

Journal of Fish Biology, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 18, 2025

Abstract Individual differences in behaviour and behavioural plasticity have been extensively studied a variety of animals across the phylogenetic spectrum. Amphiprion species bring distinct insight into topic because their unique life history, mating system, extraordinary degree associated with protandrous (male‐to‐female) sex change. Several laboratory studies begun characterizing individual this species. The goals study were to expand repertoire assays available for ocellaris , establish repeatability differences, identify explore whether correlated behaviours can be detected consistently experimental contexts (i.e., syndromes detected). We measured 35 7 9 reproductively active A. pairs under 3 different reproductive contexts. Behaviours repeatedly three separate times (rounds) over repeated spawning cycles. found that 33 out significantly individually repeatable rounds. parental care, large intruder aggression, female‐oriented aggression produced largest differences. Males performed 7‐fold more egg care than females, whereas females aggressive toward heterospecific ( Dascyllus trimaculatus ). Further, displayed direct stimulus female males. Three observed males none females. These results our understanding division labour iconic anemonefish. Future use these fish middle change or

Language: Английский

Citations

0
Dominance relations of Norway rats in groups versus pairs DOI Creative Commons
Miguel Puentes-Escamilla, Manon K. Schweinfurth, Charlotte K. Hemelrijk

et al.

Animal Behaviour, Journal Year: 2025, Volume and Issue: 222, P. 123132 - 123132

Published: March 18, 2025

Language: Английский

Citations

0
Social hierarchy modulates drug reinforcement and protein phosphorylation in the nucleus accumbens DOI Creative Commons
Liang Xu, Ruiyi Zhou,

Jiafeng Zhong

et al.

Frontiers in Pharmacology, Journal Year: 2025, Volume and Issue: 16

Published: April 11, 2025

Introduction Drug reinforcement, a form of behavioral plasticity in which changes happen response to reinforcing drug, would finally lead drug addiction after chronical exposure. reinforcement is affected by genetic and environmental factors. Social hierarchy has been reported regulate drug-seeking behaviors, but the underlying molecular mechanism almost unknown. Methods We take advantage tube test assess social between two co-housed rats. And then, we investigated dominant subordinate rats via conditioned place preference (CPP). Then adopted 4-D label-free mass spectrometry explore complex phosphoproteome nucleus accumbens (NAc) Functional enrichment, protein-protein, motif analysis kinase prediction interaction were used investigate substance use disorder hierarchy. Specifically, identified histone deacetylase 4 (HDAC4) previously shown play critical roles as key node protein phosbind-SDS. Finally, forcibly altered through training, follow accessed HDAC4 phosphorylation levels reinforcement. Results In this study, found that methamphetamine exhibited stronger 660 sites differing spectrometry. enrichment protein-protein revealed synaptic remodeling related pathways pathway are significantly characterized Motif showed CaMKIIδ its downstream proteins maybe central hub. Phosbind-SDS higher dominants. After differences induced eliminated, correspondingly also reversed group Discussion conclusion, our research proves NAc may be vital link

Language: Английский

Citations

0
Adaptive significance of winner and loser effects: rank-dependent optimal behaviour DOI Creative Commons
Noah M.T. Smith, Reuven Dukas

Animal Behaviour, Journal Year: 2025, Volume and Issue: 223, P. 123184 - 123184

Published: April 19, 2025

Language: Английский

Citations

0