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William O'Hearn

@williamohearn.bsky.social
231 followers 145 following 10 posts

Postdoctoral Researcher in Center for Animal Research, Uni Exeter | Studying social cognition and partner choice in baboons and macaques Personal website: williamohearn.weebly.com

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William O'Hearn @williamohearn.bsky.social · 10/08/2026
Delighted for this work on to be published! Using 9 years of meat eating records we found female Guinea baboons showed no preference for associating with males that catch prey or share meat more often. Seems females can catch their own prey and have other criteria for choosing mates.
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Fichtel-Kappeler-Lab @kirindy.bsky.social · 24/03/2026
Seeking a motivated postdoc (2+3 yrs) to study links between cognition, behavior, and fitness in lemurs at our long-term field site in Kirindy Forest, Madagascar. Join an interdisciplinary team working on wild populations. @primatenzentrum.bsky.social. Apply here: www.dpz.eu
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Charli Grimes @charli-ocean.bsky.social · 18/01/2026
Loved presenting (via wild gesticulation) at the Society of Marine Mammalogy - UK and Ireland student chapter conference this week! Awesome to see such cool work being done by ECRs. #UKIRSC26 #marinemammals #research
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Centre for Research in Animal Behaviour (CRAB) @crab-exeter.bsky.social · 05/01/2026
Late-reporting, but last year some of our CRABbers headed up to Edinburgh to present their posters at the @asab.org Winter meeting. Well done all! @libbychaps.bsky.social @charli-ocean.bsky.social and @ Manuela Carona R
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Frontiers in Social Evolution Seminar FINE @fine-seminar.bsky.social · 02/12/2025
Todays FINE 2nd December, Cyril Grüter, University of Oxford, UK Title: Evolution of Inter-Group Social Dynamics and Multilevel Organization in Primates   Zoom link opens at 16 :45 /10:45 urosario.zoom.us/j/87594920134   YouTube channel. www.youtube.com/channel/UClX...
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Chris Krupenye @chriskrupenye.bsky.social · 02/12/2025
🚨Job Alert plz RT! Johns Hopkins Psych & Brain Sciences is looking for a new colleague using behavioral or computational approaches to study cognition! We are excited about many areas of (esp higher) cognition in human adults, children, or nonhuman animals Open-rank apply.interfolio.com/178146
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Dr. Marcela Benítez @mebenitez.bsky.social · 01/12/2025
Excited to share our methods preprint on CapuchinAI! 🐒💻 We built a field touchscreen + real-time facial recognition system (YOLOv7) that lets wild capuchins “log in” and complete individualized cognitive tasks. @emoryuniversity.bsky.social @gatechengineers.bsky.social #PrimateCognition #AI
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Ben Kawam @benkawam.bsky.social · 12/11/2025
New paper! We propose a framework to empirically study animal social relationships by modelling social network (SN) data as time-series—that is, without the need to aggregate them over time. www.biorxiv.org/content/10.1...
Each dyad (a, b) moves through four discrete states over time, represented by coloured circles. The dyad remains in a given state for a certain duration, or "holding time", before transitioning to a new state according to state-specific transition probabilities, indicated by arrows showing all possible (non-zero) transitions. Paintings by Sofia M. Pereira & Judith von Nordheim.
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William O'Hearn @williamohearn.bsky.social · 31/10/2025
New paper out in iScience. We found the pattern of Guinea baboon meat transfers follows the shape of their nested multi-level society. Transfers of meat are more tolerant at the lower levels of the society and are more likely to occur along stronger social relationships. www.cell.com/iscience/ful...
cell.com
Meat transfer patterns reflect the multi-level social system of Guinea baboons
Wildlife behavior; Biological sciences; Zoology; Evolutionary biology
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Delphine De Moor @delphinedemoor.bsky.social · 16/10/2025
Social relationships are powerful predictors of fitness across social animals. But *why*? In our new @cp-trendsecolevo.bsky.social paper, we outline testable predictions for why relationship quality and quantity adaptively vary across socio-ecological contexts. tinyurl.com/55dnkeh7
The Adaptive Relationships Framework illustrating how broad socioecological pressures shape the social solutions animals use to meet these challenges, and how these lead to social strategies and emergent structures that help them gain access to those solutions.
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Marie Hirel @mariehirel.bsky.social · 25/08/2025
Curious about how primates acquire and process social information to generate social knowledge? 🦧 Check out our new review paper on social evaluation, with a particular focus on the cognitive mechanisms involved in assessing others' skills and competence 👇
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SKeupp @skeupp.bsky.social · 24/08/2025
🔔 New paper out on Social evaluation of skill and competence in primates @mariehirel.bsky.social, @williamohearn.bsky.social and @julxf.bsky.social made this happen www.sciencedirect.com/science/arti...
sciencedirect.com
Social evaluation of skill and competence in primates
Social life is a continuous interplay of observing and interacting with conspecifics, predicting their behavior, and responding to their actions. This…
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Josh Arbon @josharbon.bsky.social · 20/08/2025
New @cornishjackdaws.bsky.social paper out today in @royalsociety.org Biology Letters. We found adult jackdaws can learn to tolerate usually bullied or ignored juveniles when they provided information about a new foraging resource. royalsocietypublishing.org/doi/10.1098/...
royalsocietypublishing.org
Wild jackdaws learn to tolerate juveniles to exploit new foraging opportunities | Biology Letters
Social tolerance can enhance access to resources and is thought to be crucial in facilitating the evolution of cooperation, social cognition and culture, but it is unknown whether animals can optimize...
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Cornish Jackdaw Project @cornishjackdaws.bsky.social · 20/08/2025
New paper led by @josharbon.bsky.social. Adults jackdaws often bully youngsters, but we show they can learn to be tolerant and attend to juveniles as sources of information. @uniexecec.bsky.social. Funded by @leverhulme.ac.uk & @swbiodtp.bsky.social royalsocietypublishing.org/doi/10.1098/...
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Vic Martignac @vicmartignac.bsky.social · 06/08/2025
So happy to see my first PhD paper out royalsocietypublishing.org/doi/10.1098/... With my amazing supervisor @robinmorrison.bsky.social and the @savinggorillas.bsky.social, we examined female dispersal decisions in mountain gorillas.
royalsocietypublishing.org
Dispersed female networks: female gorillas’ inter-group relationships influence dispersal decisions | Proceedings of the Royal Society B: Biological Sciences
Dispersal is a fundamental aspect of many animal societies, impacting gene flow, knowledge transmission, culture and individual fitness. However, little is known about the information individuals use when dispersing. Mountain gorillas exhibit a flexible ...
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NPR @npr.org · 06/08/2025
When female gorillas leave one social group and join another, they tend to seek out groups with other females that they've lived with in the past, showing the power of long-term relationships.
n.pr
Study finds female mountain gorillas prefer to join 'buddies'
When female gorillas leave one social group and join another, they tend to seek out groups with other females that they've lived with in the past, showing the power of long-term relationships.
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Dr. Angie Achorn @angachorn.bsky.social · 28/07/2025
Our new article is out! We explored how early life social experiences and age affect social connectedness measures later in life for captive female olive baboons. Please feel free to message me if you have any questions / want to discuss anything 😊🐒 link.springer.com/article/10.1...
link.springer.com
The effects of early life rearing experiences and age on sociality in captive olive baboons (Papio anubis) - Primates
Social connections within primate groups are continuously changing, and an individual’s connectedness within their social network can have important consequences on morbidity and mortality. Here, we e...
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Sam Ellis @samellisq.bsky.social · 06/06/2025
Very excited to see our paper using historical data to infer toothed whale lifespans published this week in the Biological Journal of the Linnaean Society (@biojlinnsoc.bsky.social) doi.org/10.1093/biol... w. @darrencroft.bsky.social @drwhale.bsky.social @mialybkaer.bsky.social, Dan Franks
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Narcís Font-Massot @narcisfontmassot.bsky.social · 06/06/2025
My first co-author paper is out in Current Biology! In this study, led by Daniela Perez and Serena Ding, we show that nematode self-assembling towers occur in nature and can serve as a collective dispersal mechanism 🪱 Check out a video where Daniela explains the findings and the paper here 👇
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Lauren Brent @ljnbrent.bsky.social · 02/05/2025
Postdoc job alert! I'm hiring a 3-yr postdoc to work on our Social Modifiers of Primate Lifespans grant. Job info and how to apply below. Deadline June 1. Pls share! jobs.exeter.ac.uk/hrpr_webrecr...
jobs.exeter.ac.uk
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Robin Morrison @robinmorrison.bsky.social · 07/05/2025
Thrilled to have the 1st project in my @snsf-ch.bsky.social Ambizione fellowship in @pnas.org this week. With Vic Martignac, @samellisq.bsky.social and @savinggorillas.bsky.social we asked what is a good social environment for a gorilla? And the answer was complicated... www.pnas.org/doi/10.1073/...
pnas.org
Group traits moderate the relationship between individual social traits and fitness in gorillas | PNAS
Evidence across a broad range of disciplines has demonstrated how individuals’ social environments can impact their health, lifespan, reproduction,...
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Lauren Brent @ljnbrent.bsky.social · 14/04/2025
Well done @macaelaskelton.bsky.social, our MacaqueNet technician extraodinaire 💚
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William O'Hearn @williamohearn.bsky.social · 05/03/2025
BEHOLD THE FLAGSHIP PAPER OF MY PHD! 🚢 I trained wild and zoo housed Guinea baboons to pull a lever for peanuts to test whether they monitored the foraging skills of others and used the information to inform their social choices 🧵 (1/9) royalsocietypublishing.org/doi/10.1098/...
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