Vivek Hari Sridhar
@vivekhsridhar.bsky.social
Assistant Professor at the University of Washington, Seattle. Studies decision-making, mating ecology, collective behaviour, sociality.
www.vivekhsridhar.com
www.vivekhsridhar.com
Reposted by Vivek Hari Sridhar
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
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
December 1, 2025 at 9:03 PM
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
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
Reposted by Vivek Hari Sridhar
This Perspective discusses how the field of behavioural ecology has contributed to fundamental science and global challenges, ranging from understanding how natural selection leads to adaptation to optimizing biocontrol of pest species www.nature.com/articles/s41...
Free to read: rdcu.be/eRKbv
Free to read: rdcu.be/eRKbv
Behavioural ecology in the twenty-first century - Nature Ecology & Evolution
This Perspective discusses how the field of behavioural ecology has contributed to fundamental science and tackling global challenges, ranging from understanding how natural selection leads to adaptat...
www.nature.com
November 25, 2025 at 4:03 PM
This Perspective discusses how the field of behavioural ecology has contributed to fundamental science and global challenges, ranging from understanding how natural selection leads to adaptation to optimizing biocontrol of pest species www.nature.com/articles/s41...
Free to read: rdcu.be/eRKbv
Free to read: rdcu.be/eRKbv
Reposted by Vivek Hari Sridhar
It’s really hard to defend industry academic collaborations with meta as earnest, if they’re internally burying evidence of harm.
www.reuters.com/sustainabili...
www.reuters.com/sustainabili...
November 23, 2025 at 6:22 PM
It’s really hard to defend industry academic collaborations with meta as earnest, if they’re internally burying evidence of harm.
www.reuters.com/sustainabili...
www.reuters.com/sustainabili...
Reposted by Vivek Hari Sridhar
November 20, 2025 at 11:30 PM
Reposted by Vivek Hari Sridhar
PhD opportunity: MOVE
Details: blogs.reading.ac.uk/crocus-dla/c...
Deadline: 12/01/26
Supervisors: @shoalgroup.bsky.social, @inesfuertbauer.bsky.social, @wlallen.bsky.social, @nhcooper123.bsky.social, @marinapapa.bsky.social
Apply: blogs.reading.ac.uk/crocus-dla/p...
Details: blogs.reading.ac.uk/crocus-dla/c...
Deadline: 12/01/26
Supervisors: @shoalgroup.bsky.social, @inesfuertbauer.bsky.social, @wlallen.bsky.social, @nhcooper123.bsky.social, @marinapapa.bsky.social
Apply: blogs.reading.ac.uk/crocus-dla/p...
November 20, 2025 at 9:09 AM
PhD opportunity: MOVE
Details: blogs.reading.ac.uk/crocus-dla/c...
Deadline: 12/01/26
Supervisors: @shoalgroup.bsky.social, @inesfuertbauer.bsky.social, @wlallen.bsky.social, @nhcooper123.bsky.social, @marinapapa.bsky.social
Apply: blogs.reading.ac.uk/crocus-dla/p...
Details: blogs.reading.ac.uk/crocus-dla/c...
Deadline: 12/01/26
Supervisors: @shoalgroup.bsky.social, @inesfuertbauer.bsky.social, @wlallen.bsky.social, @nhcooper123.bsky.social, @marinapapa.bsky.social
Apply: blogs.reading.ac.uk/crocus-dla/p...
Reposted by Vivek Hari Sridhar
Fungi coat the eggs of stinkbugs, creating a shield that protects the embryos from parasitic wasps, researchers report.
Learn more: https://scim.ag/43kl3np
Learn more: https://scim.ag/43kl3np
November 10, 2025 at 11:26 PM
Fungi coat the eggs of stinkbugs, creating a shield that protects the embryos from parasitic wasps, researchers report.
Learn more: https://scim.ag/43kl3np
Learn more: https://scim.ag/43kl3np
Reposted by Vivek Hari Sridhar
🦇Much can go down in a bat cave. As a bat navigates its physical environment, it’s also navigating a network of social relationships.
Bats Use the Same Brain Cells to Map Physical and Social Worlds | Quanta Magazine
New research in social bats raises the intriguing possibility that evolution can reprogram the brain’s “place cells,” which are typically associated with location, to encode all kinds of…
www.quantamagazine.org
October 31, 2025 at 8:04 PM
🦇Much can go down in a bat cave. As a bat navigates its physical environment, it’s also navigating a network of social relationships.
Reposted by Vivek Hari Sridhar
Just in time for Halloween, Richard Zare of @stanforduniversity.bsky.social and colleagues explore two spooky mysteries: the source of will-o’-the-wisps and how bats integrate vision with echolocation. Listen now on your favorite platform: https://ow.ly/JJpc50XkZTf
October 31, 2025 at 9:00 PM
Just in time for Halloween, Richard Zare of @stanforduniversity.bsky.social and colleagues explore two spooky mysteries: the source of will-o’-the-wisps and how bats integrate vision with echolocation. Listen now on your favorite platform: https://ow.ly/JJpc50XkZTf
Reposted by Vivek Hari Sridhar
Neuroscience projects last several years, and you are usually a bit jaded by the time you wrap it up. Not this one– spending several months on an island in the middle of nowhere, away from all the craziness of the world reminds you how beautiful the world really is.
www.youtube.com/watch?v=46sv...
www.youtube.com/watch?v=46sv...
Bat Island: The New Era of Science
YouTube video by Weizmann Institute of Science
www.youtube.com
October 17, 2025 at 7:07 AM
Neuroscience projects last several years, and you are usually a bit jaded by the time you wrap it up. Not this one– spending several months on an island in the middle of nowhere, away from all the craziness of the world reminds you how beautiful the world really is.
www.youtube.com/watch?v=46sv...
www.youtube.com/watch?v=46sv...
Reposted by Vivek Hari Sridhar
Neural compass in the sky | Science www.science.org/doi/10.1126/...
Neural compass in the sky
Head-direction neurons maintain stable directional signals during large-scale navigation in the wild
www.science.org
October 18, 2025 at 3:22 PM
Neural compass in the sky | Science www.science.org/doi/10.1126/...
Reposted by Vivek Hari Sridhar
Out today in @plosbiology.org (1/5)
Siblings and non-parental adults provide alternative pathways to cultural inheritance in juvenile great tits 🐦🧩
Link to study:
10.0.5.91/journal.pbio...
Co-authors:
@lucymaplin.bsky.social
@galarconnieto.bsky.social
Siblings and non-parental adults provide alternative pathways to cultural inheritance in juvenile great tits 🐦🧩
Link to study:
10.0.5.91/journal.pbio...
Co-authors:
@lucymaplin.bsky.social
@galarconnieto.bsky.social
October 9, 2025 at 6:06 PM
Out today in @plosbiology.org (1/5)
Siblings and non-parental adults provide alternative pathways to cultural inheritance in juvenile great tits 🐦🧩
Link to study:
10.0.5.91/journal.pbio...
Co-authors:
@lucymaplin.bsky.social
@galarconnieto.bsky.social
Siblings and non-parental adults provide alternative pathways to cultural inheritance in juvenile great tits 🐦🧩
Link to study:
10.0.5.91/journal.pbio...
Co-authors:
@lucymaplin.bsky.social
@galarconnieto.bsky.social
Reposted by Vivek Hari Sridhar
Today IUCN has officially declared the Slender-billed Curlew extinct, marking the first known global extinction of a formerly widespread migratory bird species whose range included mainland Europe, North Africa, and West Asia.
Read more here ⬇️
www.unep-aewa.org/fr/node/6632
Read more here ⬇️
www.unep-aewa.org/fr/node/6632
October 10, 2025 at 9:47 PM
Today IUCN has officially declared the Slender-billed Curlew extinct, marking the first known global extinction of a formerly widespread migratory bird species whose range included mainland Europe, North Africa, and West Asia.
Read more here ⬇️
www.unep-aewa.org/fr/node/6632
Read more here ⬇️
www.unep-aewa.org/fr/node/6632
Reposted by Vivek Hari Sridhar
The first preprint from my PhD work is out! We used C. elegans to define and manipulate heterogeneous groups, exploring how individuals with different behavioural phenotypes interact and shape collective behavior. Check it out here: www.biorxiv.org/content/10.1...
October 10, 2025 at 9:13 AM
The first preprint from my PhD work is out! We used C. elegans to define and manipulate heterogeneous groups, exploring how individuals with different behavioural phenotypes interact and shape collective behavior. Check it out here: www.biorxiv.org/content/10.1...
Reposted by Vivek Hari Sridhar
@sonjawild.bsky.social @galarconnieto.bsky.social & @lucymaplin.bsky.social show that young #GreatTits, which have limited #ParentalCare, learn to solve a foraging #puzzle socially, but rather than parents, siblings & non-parental adults are preferred role models @plosbiology.org 🧪 plos.io/46JZn6n
October 10, 2025 at 1:23 PM
@sonjawild.bsky.social @galarconnieto.bsky.social & @lucymaplin.bsky.social show that young #GreatTits, which have limited #ParentalCare, learn to solve a foraging #puzzle socially, but rather than parents, siblings & non-parental adults are preferred role models @plosbiology.org 🧪 plos.io/46JZn6n
Reposted by Vivek Hari Sridhar
I love these new layers of complexity that people are discovering in the brain! Dendrites of different neurons can connect via nanotubes, which transport calcium and cargo such as amyloid-beta www.science.org/doi/10.1126/...
Hidden networks in the brain
Dendritic nanotubes extend brain connectivity beyond synapses
www.science.org
October 4, 2025 at 7:14 AM
I love these new layers of complexity that people are discovering in the brain! Dendrites of different neurons can connect via nanotubes, which transport calcium and cargo such as amyloid-beta www.science.org/doi/10.1126/...
Reposted by Vivek Hari Sridhar
Are you studying animal sociality?
My (now published) first PhD chapter proposes a Bayesian + causal framework to infer the factors shaping the social relationships that animals form with one another.
journals.plos.org/ploscompbiol...
My (now published) first PhD chapter proposes a Bayesian + causal framework to infer the factors shaping the social relationships that animals form with one another.
journals.plos.org/ploscompbiol...
A causal framework for the drivers of animal social network structure
Author summary Behavioural ecologists ask mechanistic questions about behaviour—causal questions. When studying animal societies, these questions often concern the drivers of social network structure....
journals.plos.org
September 30, 2025 at 3:23 PM
Are you studying animal sociality?
My (now published) first PhD chapter proposes a Bayesian + causal framework to infer the factors shaping the social relationships that animals form with one another.
journals.plos.org/ploscompbiol...
My (now published) first PhD chapter proposes a Bayesian + causal framework to infer the factors shaping the social relationships that animals form with one another.
journals.plos.org/ploscompbiol...
Reposted by Vivek Hari Sridhar
⭐PhD position available!⭐
Come join us @imprs-qbee.bsky.social to study communication and collective behavior in animal groups! We're looking for someone excited to use computational approaches to tackle biological questions, using our full-group tracking datasets
imprs-qbee.mpg.de/121465/analy...
Come join us @imprs-qbee.bsky.social to study communication and collective behavior in animal groups! We're looking for someone excited to use computational approaches to tackle biological questions, using our full-group tracking datasets
imprs-qbee.mpg.de/121465/analy...
Analysis of communication and collective behavior in animal groups
imprs-qbee.mpg.de
October 3, 2025 at 7:40 AM
⭐PhD position available!⭐
Come join us @imprs-qbee.bsky.social to study communication and collective behavior in animal groups! We're looking for someone excited to use computational approaches to tackle biological questions, using our full-group tracking datasets
imprs-qbee.mpg.de/121465/analy...
Come join us @imprs-qbee.bsky.social to study communication and collective behavior in animal groups! We're looking for someone excited to use computational approaches to tackle biological questions, using our full-group tracking datasets
imprs-qbee.mpg.de/121465/analy...
Reposted by Vivek Hari Sridhar
📢🦋 Our paper ‘Global selection on insect antipredator coloration’ is out and featured on the cover of @science.org
We ran a huge experiment to find out how ecological context favours camouflage and warning colouration as antipredator strategies. 1/6
www.science.org/doi/10.1126/...
We ran a huge experiment to find out how ecological context favours camouflage and warning colouration as antipredator strategies. 1/6
www.science.org/doi/10.1126/...
September 25, 2025 at 6:26 PM
📢🦋 Our paper ‘Global selection on insect antipredator coloration’ is out and featured on the cover of @science.org
We ran a huge experiment to find out how ecological context favours camouflage and warning colouration as antipredator strategies. 1/6
www.science.org/doi/10.1126/...
We ran a huge experiment to find out how ecological context favours camouflage and warning colouration as antipredator strategies. 1/6
www.science.org/doi/10.1126/...
Reposted by Vivek Hari Sridhar
Most people are right- some left-handed or ambidextrous - and so are honey buzzards when turning in thermals! But, unlike us, mastering flight means these birds must overcome laterality as they grow. A gem of a preprint led by @enourani.bsky.social. www.biorxiv.org/content/10.1...
September 26, 2025 at 12:36 PM
Most people are right- some left-handed or ambidextrous - and so are honey buzzards when turning in thermals! But, unlike us, mastering flight means these birds must overcome laterality as they grow. A gem of a preprint led by @enourani.bsky.social. www.biorxiv.org/content/10.1...
Reposted by Vivek Hari Sridhar
I get that the news cycle is packed right now, but I just heard from a colleague at the Smithsonian that this is fully a GIANT SQUID BEING EATEN BY A SPERM WHALE and it’s possibly the first ever confirmed video according to a friend at NOAA
10 YEAR OLD ME IS LOSING HER MIND (a thread 🧵)
10 YEAR OLD ME IS LOSING HER MIND (a thread 🧵)
September 24, 2025 at 8:30 PM
I get that the news cycle is packed right now, but I just heard from a colleague at the Smithsonian that this is fully a GIANT SQUID BEING EATEN BY A SPERM WHALE and it’s possibly the first ever confirmed video according to a friend at NOAA
10 YEAR OLD ME IS LOSING HER MIND (a thread 🧵)
10 YEAR OLD ME IS LOSING HER MIND (a thread 🧵)
Reposted by Vivek Hari Sridhar
Tenure-track Assistant Professor in Computational Ecology and/or Evolution @columbiauniversity.bsky.social.
Deadline to apply September 30.
Reach out if you have questions.
apply.interfolio.com/172496
Deadline to apply September 30.
Reach out if you have questions.
apply.interfolio.com/172496
Apply - Interfolio
{{$ctrl.$state.data.pageTitle}} - Apply - Interfolio
apply.interfolio.com
September 20, 2025 at 3:20 PM
Tenure-track Assistant Professor in Computational Ecology and/or Evolution @columbiauniversity.bsky.social.
Deadline to apply September 30.
Reach out if you have questions.
apply.interfolio.com/172496
Deadline to apply September 30.
Reach out if you have questions.
apply.interfolio.com/172496
Reposted by Vivek Hari Sridhar
🚨 PhD alert! IMPRS brain & behavior in Bonn just opened their calls for applications. Great PhD funding opportunities. Check it out! PS- I just joined their faculty, meaning you could do a rotation in my lab or even a PhD with me on spider sleep 🙃 Apply! 🚨
📢Apply now! Join our IMPRS for Brain&Behavior to pursue a #PhD in #neuroethology. Learn how brain circuits are linked to interesting animal behaviors!
📅 Deadline: October 31, 2025
🔗 imprs-brain-behavior.mpg.de
#neuroscience #Neuroskyence #neurojobs #sciencejobs #PhDsky #PhDOffers #FundedPhD
📅 Deadline: October 31, 2025
🔗 imprs-brain-behavior.mpg.de
#neuroscience #Neuroskyence #neurojobs #sciencejobs #PhDsky #PhDOffers #FundedPhD
September 6, 2025 at 8:48 AM
🚨 PhD alert! IMPRS brain & behavior in Bonn just opened their calls for applications. Great PhD funding opportunities. Check it out! PS- I just joined their faculty, meaning you could do a rotation in my lab or even a PhD with me on spider sleep 🙃 Apply! 🚨
Reposted by Vivek Hari Sridhar
“Just when you think you’ve seen it all, social insects reveal another surprise.” https://scim.ag/47sVFyS
Ant queen lays eggs that hatch into two species
Bizarre discovery of interspecies cloning “almost impossible to believe,” biologists say
scim.ag
September 5, 2025 at 8:12 PM
“Just when you think you’ve seen it all, social insects reveal another surprise.” https://scim.ag/47sVFyS
Reposted by Vivek Hari Sridhar
Ant reproduction is getting weirder and weirder. Here’s the latest: queens of a Mediterranean harvester ant mate with males from a different species and then lay eggs that clonally inherit those males’ genome. I.e., they lay eggs that develop into a different species. 🤯
The discovery of an unusual reproductive system for one ant species solves a long-standing puzzle
go.nature.com/47mxGkM
go.nature.com/47mxGkM
Ant queens produce sons of two distinct species
The discovery of an unusual reproductive system for one ant species solves a long-standing puzzle about a missing population of another ant species.
go.nature.com
September 5, 2025 at 10:07 PM
Ant reproduction is getting weirder and weirder. Here’s the latest: queens of a Mediterranean harvester ant mate with males from a different species and then lay eggs that clonally inherit those males’ genome. I.e., they lay eggs that develop into a different species. 🤯
Reposted by Vivek Hari Sridhar
Queue the song “weird fishes”
New paper is officially out!
Ratfish have a second jaw on their foreheads - CT + histology show they’re real teeth, built from the same tissues and signals as oral teeth.
www.washington.edu/news/2025/09...
Ratfish have a second jaw on their foreheads - CT + histology show they’re real teeth, built from the same tissues and signals as oral teeth.
www.washington.edu/news/2025/09...
This common fish has an uncommon feature: forehead teeth, used for mating
New findings call into question one of the core assumptions about teeth. Adult male spotted ratfish, a shark-like species native to the eastern Pacific Ocean, have rows of teeth on top of their heads,...
www.washington.edu
September 4, 2025 at 8:42 PM
Queue the song “weird fishes”