Alex Chan
@alexhhchan.bsky.social
PhD @cbehav.bsky.social, Konstanz 🐦 Trying to track birds with computer vision 🇭🇰
https://alexhhchan.odoo.com/
https://alexhhchan.odoo.com/
Pinned
Alex Chan
@alexhhchan.bsky.social
· Feb 13
Second paper out this week 😱😱
We present YOLO-Behaviour, a flexible, easy to implement, robust framework for automated behavioural annotation from videos, published in @methodsinecoevol.bsky.social!!
[paper] doi.org/10.1111/2041...
[documentation] alexhang212.github.io/YOLO_Behavio...
We present YOLO-Behaviour, a flexible, easy to implement, robust framework for automated behavioural annotation from videos, published in @methodsinecoevol.bsky.social!!
[paper] doi.org/10.1111/2041...
[documentation] alexhang212.github.io/YOLO_Behavio...
Thanks for coming!!!
@cbehav.bsky.social
@cbehav.bsky.social
Thanks to the CASCB @uni-konstanz.de and @alexhhchan.bsky.social for hosting me today. It was a pleasure to see their exciting work on perception and decision making in person, and to talk about applied models of animal social behaviour.
November 10, 2025 at 5:30 PM
Thanks for coming!!!
@cbehav.bsky.social
@cbehav.bsky.social
Reposted by Alex Chan
Meet the coordinator for @imprs-qbee.bsky.social 😍 She's a guide, a helping hand, a mentor, a therapist, and more. No doctoral degree is complete without her.
youtube.com/shorts/mVbTU...
Video by @alexhhchan.bsky.social
@uni-konstanz.de
@cbehav.bsky.social
#AcademicChatter #PhD #Doctoral
youtube.com/shorts/mVbTU...
Video by @alexhhchan.bsky.social
@uni-konstanz.de
@cbehav.bsky.social
#AcademicChatter #PhD #Doctoral
Lena Bohn | IMPRS-QBEE Coordinator
YouTube video by Max Planck Institute of Animal Behavior
youtube.com
November 10, 2025 at 2:21 PM
Meet the coordinator for @imprs-qbee.bsky.social 😍 She's a guide, a helping hand, a mentor, a therapist, and more. No doctoral degree is complete without her.
youtube.com/shorts/mVbTU...
Video by @alexhhchan.bsky.social
@uni-konstanz.de
@cbehav.bsky.social
#AcademicChatter #PhD #Doctoral
youtube.com/shorts/mVbTU...
Video by @alexhhchan.bsky.social
@uni-konstanz.de
@cbehav.bsky.social
#AcademicChatter #PhD #Doctoral
Reposted by Alex Chan
How can we learn about animals that hide from view? IMPRS student @galarconnieto.bsky.social, working in @safilab.bsky.social tells us more about his research on oilbirds!
@mpi-animalbehav.bsky.social
youtube.com/shorts/lGagO...
@mpi-animalbehav.bsky.social
youtube.com/shorts/lGagO...
Gustavo Alarcon-Nieto | Movement of oilbirds
YouTube video by Max Planck Institute of Animal Behavior
youtube.com
November 3, 2025 at 5:36 PM
How can we learn about animals that hide from view? IMPRS student @galarconnieto.bsky.social, working in @safilab.bsky.social tells us more about his research on oilbirds!
@mpi-animalbehav.bsky.social
youtube.com/shorts/lGagO...
@mpi-animalbehav.bsky.social
youtube.com/shorts/lGagO...
Reposted by Alex Chan
How do storks learn to migrate efficiently? IMPRS-QBEE student @hbronnv.bsky.social, working with @anflack.bsky.social use GPS ani accelerometer tags to study how white storks balance the costs and benefits of migratory decisions
@mpi-animalbehav.bsky.social
youtube.com/shorts/A-kNB...
@mpi-animalbehav.bsky.social
youtube.com/shorts/A-kNB...
Hester Brønnvik | Ontogeny of stock migration
YouTube video by Max Planck Institute of Animal Behavior
youtube.com
October 27, 2025 at 10:35 AM
How do storks learn to migrate efficiently? IMPRS-QBEE student @hbronnv.bsky.social, working with @anflack.bsky.social use GPS ani accelerometer tags to study how white storks balance the costs and benefits of migratory decisions
@mpi-animalbehav.bsky.social
youtube.com/shorts/A-kNB...
@mpi-animalbehav.bsky.social
youtube.com/shorts/A-kNB...
Reposted by Alex Chan
Only one week left to apply for the graduate school IMPRS-QBEE ⏰https://imprs-qbee.mpg.de/32524/apply 🏃♂️
Applications close on October 31.
Not sure what a PhD with us looks like? Check out the video series to see.
Videos by @alexhhchan.bsky.social 🎥
@uni-konstanz.de @cbehav.bsky.social
Applications close on October 31.
Not sure what a PhD with us looks like? Check out the video series to see.
Videos by @alexhhchan.bsky.social 🎥
@uni-konstanz.de @cbehav.bsky.social
October 22, 2025 at 7:30 AM
Only one week left to apply for the graduate school IMPRS-QBEE ⏰https://imprs-qbee.mpg.de/32524/apply 🏃♂️
Applications close on October 31.
Not sure what a PhD with us looks like? Check out the video series to see.
Videos by @alexhhchan.bsky.social 🎥
@uni-konstanz.de @cbehav.bsky.social
Applications close on October 31.
Not sure what a PhD with us looks like? Check out the video series to see.
Videos by @alexhhchan.bsky.social 🎥
@uni-konstanz.de @cbehav.bsky.social
Reposted by Alex Chan
Does being hungry change what a fruit fly can smell? IMPRS-QBEE student @hari-flies.bsky.social, working with @katrinvogt.bsky.social, tells us more about his work on understanding how fruit flies interact with their olfactory environment @mpi-animalbehav.bsky.social
youtube.com/shorts/2vYFl...
youtube.com/shorts/2vYFl...
Hari Narayanan | Behavioral neuroscience in Drosophila larvae
YouTube video by Max Planck Institute of Animal Behavior
youtube.com
October 21, 2025 at 3:09 PM
Does being hungry change what a fruit fly can smell? IMPRS-QBEE student @hari-flies.bsky.social, working with @katrinvogt.bsky.social, tells us more about his work on understanding how fruit flies interact with their olfactory environment @mpi-animalbehav.bsky.social
youtube.com/shorts/2vYFl...
youtube.com/shorts/2vYFl...
Reposted by Alex Chan
Interested in a PhD in ornithology? Funding available for projects at the interface of ecology, behaviour & evolution from Oct '26 working on long-term population studies of tits at Wytham, based in @biology.ox.ac.uk in the new Life & Mind Building in Oxford
www.findaphd.com/phds/project...
www.findaphd.com/phds/project...
October 20, 2025 at 7:44 PM
Interested in a PhD in ornithology? Funding available for projects at the interface of ecology, behaviour & evolution from Oct '26 working on long-term population studies of tits at Wytham, based in @biology.ox.ac.uk in the new Life & Mind Building in Oxford
www.findaphd.com/phds/project...
www.findaphd.com/phds/project...
Wow there are collages as well??? 🫣
Is a PhD right for you? How should you prepare for this big step? Hear these answers from our IMPRS PhD students! @mpi-animalbehav.bsky.social
Reminder that the application for IMPRS-QBEE 2026 is now open, apply now!! Deadline Oct 31
imprs-qbee.mpg.de/66685/current
youtube.com/shorts/d233A...
Reminder that the application for IMPRS-QBEE 2026 is now open, apply now!! Deadline Oct 31
imprs-qbee.mpg.de/66685/current
youtube.com/shorts/d233A...
Doctoral tips | IMPRS
YouTube video by Max Planck Institute of Animal Behavior
youtube.com
October 13, 2025 at 4:53 PM
Wow there are collages as well??? 🫣
Reposted by Alex Chan
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 Alex Chan
Interested in a PhD in quantitative animal behavior? Applications are open through October for PhD projects starting in 2026: imprs-qbee.mpg.de/32524/apply
For an inside look at the projects, let our doctoral students be your guide 👇
Videos by @alexhhchan.bsky.social
For an inside look at the projects, let our doctoral students be your guide 👇
Videos by @alexhhchan.bsky.social
October 7, 2025 at 8:11 AM
Interested in a PhD in quantitative animal behavior? Applications are open through October for PhD projects starting in 2026: imprs-qbee.mpg.de/32524/apply
For an inside look at the projects, let our doctoral students be your guide 👇
Videos by @alexhhchan.bsky.social
For an inside look at the projects, let our doctoral students be your guide 👇
Videos by @alexhhchan.bsky.social
Reposted by Alex Chan
How do animals perceive the behavior of others? IMPRS-QBEE student Chi Yu Lee working with @einatcouzin.bsky.social tells us more about his work with locusts VR
youtu.be/Uc91vXNX71k?...
youtu.be/Uc91vXNX71k?...
Chi Yu Lee | Neurobiology of desert locust
YouTube video by Max Planck Institute of Animal Behavior
youtu.be
October 6, 2025 at 2:00 PM
How do animals perceive the behavior of others? IMPRS-QBEE student Chi Yu Lee working with @einatcouzin.bsky.social tells us more about his work with locusts VR
youtu.be/Uc91vXNX71k?...
youtu.be/Uc91vXNX71k?...
Reposted by Alex Chan
🦅PhD position 🦅 in my new group at @fbm-unil.bsky.social in Switzerland, studying how the social and resource landscapes shape the learning process for soaring flight. Deadline: Oct 30. Pls repost! career5.successfactors.eu/career?caree...
October 6, 2025 at 5:56 AM
🦅PhD position 🦅 in my new group at @fbm-unil.bsky.social in Switzerland, studying how the social and resource landscapes shape the learning process for soaring flight. Deadline: Oct 30. Pls repost! career5.successfactors.eu/career?caree...
I made a new thing :)
New videos every Monday
Thank you all students who I annoyed to make this happen 🤭
New videos every Monday
Thank you all students who I annoyed to make this happen 🤭
NEW VIDEO SERIES!!
What can human paragliders tell us about soaring flight of large birds?
IMPRS student Christin Albrecht working eith Dr. Hannah Williams tells us about her work on paragliders
New videos every Monday!
youtube.com/shorts/qgTbP...
What can human paragliders tell us about soaring flight of large birds?
IMPRS student Christin Albrecht working eith Dr. Hannah Williams tells us about her work on paragliders
New videos every Monday!
youtube.com/shorts/qgTbP...
Christin Albrecht | Collective behavior in soaring flight
YouTube video by Max Planck Institute of Animal Behavior
youtube.com
September 29, 2025 at 12:46 PM
I made a new thing :)
New videos every Monday
Thank you all students who I annoyed to make this happen 🤭
New videos every Monday
Thank you all students who I annoyed to make this happen 🤭
Reposted by Alex Chan
PhD Alert! 😍 Our lab is hiring a PhD student to study how shrews shrink in winter and grow in spring. Yes, you read that right!
tinyurl.com/shrinkingshr...
Join us at the @mpi-animalbehav.bsky.social, study a super cool animal, and join the @imprs-qbee.bsky.social community!
DM me for questions!
tinyurl.com/shrinkingshr...
Join us at the @mpi-animalbehav.bsky.social, study a super cool animal, and join the @imprs-qbee.bsky.social community!
DM me for questions!
Seasonal size change and aging in shrews
imprs-qbee.mpg.de
September 17, 2025 at 5:20 PM
PhD Alert! 😍 Our lab is hiring a PhD student to study how shrews shrink in winter and grow in spring. Yes, you read that right!
tinyurl.com/shrinkingshr...
Join us at the @mpi-animalbehav.bsky.social, study a super cool animal, and join the @imprs-qbee.bsky.social community!
DM me for questions!
tinyurl.com/shrinkingshr...
Join us at the @mpi-animalbehav.bsky.social, study a super cool animal, and join the @imprs-qbee.bsky.social community!
DM me for questions!
Reposted by Alex Chan
Here is the final episode of Season 2 of our podcast In the Swarm!
In this episode, we are joined by Dr Vivek Sridhar and Dr Hemal Naik as they tell us the tales of the visually spectacular mating phenomenon of lekking in Blackbucks.
www.exc.uni-konstanz.de/collective-b...
In this episode, we are joined by Dr Vivek Sridhar and Dr Hemal Naik as they tell us the tales of the visually spectacular mating phenomenon of lekking in Blackbucks.
www.exc.uni-konstanz.de/collective-b...
September 12, 2025 at 1:09 PM
Here is the final episode of Season 2 of our podcast In the Swarm!
In this episode, we are joined by Dr Vivek Sridhar and Dr Hemal Naik as they tell us the tales of the visually spectacular mating phenomenon of lekking in Blackbucks.
www.exc.uni-konstanz.de/collective-b...
In this episode, we are joined by Dr Vivek Sridhar and Dr Hemal Naik as they tell us the tales of the visually spectacular mating phenomenon of lekking in Blackbucks.
www.exc.uni-konstanz.de/collective-b...
Reposted by Alex Chan
Scientists discover the secret behind the shrew’s amazing ability to shrink their brains 🧠
The clever trick sheds unwanted weight without compromising too much on cognition.
Find the 5-letter word 👇
Study by @cecibaldoni.bsky.social Dechmann Lab #shrewcrew et al
www.ab.mpg.de/743885/news_...
The clever trick sheds unwanted weight without compromising too much on cognition.
Find the 5-letter word 👇
Study by @cecibaldoni.bsky.social Dechmann Lab #shrewcrew et al
www.ab.mpg.de/743885/news_...
Rare seasonal brain shrinkage in shrews is driven by water loss, not cell death
Common shrews are one of only a handful of mammals known to flexibly shrink and regrow their brains. This rare seasonal cycle, known as Dehnel’s phenomenon, has puzzled scientists for decades. A study...
www.ab.mpg.de
September 1, 2025 at 8:41 PM
Scientists discover the secret behind the shrew’s amazing ability to shrink their brains 🧠
The clever trick sheds unwanted weight without compromising too much on cognition.
Find the 5-letter word 👇
Study by @cecibaldoni.bsky.social Dechmann Lab #shrewcrew et al
www.ab.mpg.de/743885/news_...
The clever trick sheds unwanted weight without compromising too much on cognition.
Find the 5-letter word 👇
Study by @cecibaldoni.bsky.social Dechmann Lab #shrewcrew et al
www.ab.mpg.de/743885/news_...
Reposted by Alex Chan
New Episode!
What is it like being inside an egg? Can you feel your sibling eggs nearby? How do you tell your parents when you are ready to come out? Dr Gabriella Gall is here to tell us all about her research into the world of egg communication.
www.exc.uni-konstanz.de/collective-b...
What is it like being inside an egg? Can you feel your sibling eggs nearby? How do you tell your parents when you are ready to come out? Dr Gabriella Gall is here to tell us all about her research into the world of egg communication.
www.exc.uni-konstanz.de/collective-b...
August 29, 2025 at 4:20 PM
New Episode!
What is it like being inside an egg? Can you feel your sibling eggs nearby? How do you tell your parents when you are ready to come out? Dr Gabriella Gall is here to tell us all about her research into the world of egg communication.
www.exc.uni-konstanz.de/collective-b...
What is it like being inside an egg? Can you feel your sibling eggs nearby? How do you tell your parents when you are ready to come out? Dr Gabriella Gall is here to tell us all about her research into the world of egg communication.
www.exc.uni-konstanz.de/collective-b...
Reposted by Alex Chan
MELA — a short documentary on the Mating Ecology of Lek Breeding Antelope — takes you behind the scenes of an interdisciplinary #UniKonstanz @cbehav.bsky.social @mpi-animalbehav.bsky.social research journey. This film reveals how science is done, shared, and lived: www.youtube.com/watch?v=5i4d...
August 27, 2025 at 8:41 AM
MELA — a short documentary on the Mating Ecology of Lek Breeding Antelope — takes you behind the scenes of an interdisciplinary #UniKonstanz @cbehav.bsky.social @mpi-animalbehav.bsky.social research journey. This film reveals how science is done, shared, and lived: www.youtube.com/watch?v=5i4d...
Reposted by Alex Chan
Fascinating symposium on using AI to observe animal behavior! AI has the potential to accelerate progress in wild animal welfare science, too, as tools become available that can recognize and track behavior, vocalizations, physiological markers, and body condition.
#Behaviour2025
#Behaviour2025
August 26, 2025 at 11:02 AM
Fascinating symposium on using AI to observe animal behavior! AI has the potential to accelerate progress in wild animal welfare science, too, as tools become available that can recognize and track behavior, vocalizations, physiological markers, and body condition.
#Behaviour2025
#Behaviour2025
Reposted by Alex Chan
📖Published📖
Price et al. present an open-source easy-to-use workflow, using zebras as an example, that can detect individuals in their natural environment and automatically infer their atomic scale behaviours of standing, grazing, walking and running 🦓
buff.ly/z4qyIyD
Price et al. present an open-source easy-to-use workflow, using zebras as an example, that can detect individuals in their natural environment and automatically infer their atomic scale behaviours of standing, grazing, walking and running 🦓
buff.ly/z4qyIyD
August 18, 2025 at 11:03 AM
📖Published📖
Price et al. present an open-source easy-to-use workflow, using zebras as an example, that can detect individuals in their natural environment and automatically infer their atomic scale behaviours of standing, grazing, walking and running 🦓
buff.ly/z4qyIyD
Price et al. present an open-source easy-to-use workflow, using zebras as an example, that can detect individuals in their natural environment and automatically infer their atomic scale behaviours of standing, grazing, walking and running 🦓
buff.ly/z4qyIyD
Reposted by Alex Chan
New episode of our podcast is out!
In this episode, @yguenzel.bsky.social and Inga Petelski will tell us all about how shy, solitary locusts can transform into hungry, gregarious ones who are ready to march with millions to search for the next meal.
www.exc.uni-konstanz.de/collective-b...
In this episode, @yguenzel.bsky.social and Inga Petelski will tell us all about how shy, solitary locusts can transform into hungry, gregarious ones who are ready to march with millions to search for the next meal.
www.exc.uni-konstanz.de/collective-b...
August 15, 2025 at 8:16 AM
New episode of our podcast is out!
In this episode, @yguenzel.bsky.social and Inga Petelski will tell us all about how shy, solitary locusts can transform into hungry, gregarious ones who are ready to march with millions to search for the next meal.
www.exc.uni-konstanz.de/collective-b...
In this episode, @yguenzel.bsky.social and Inga Petelski will tell us all about how shy, solitary locusts can transform into hungry, gregarious ones who are ready to march with millions to search for the next meal.
www.exc.uni-konstanz.de/collective-b...
Reposted by Alex Chan
To study emotions in free-ranging #animals, researchers rely on what they see: but inferring #emotions from #behavior is not enough! Our new preprint discusses how #technology could help us better understand animal affect under naturalistic conditions: osf.io/preprints/os...
OSF
osf.io
August 9, 2025 at 10:13 AM
To study emotions in free-ranging #animals, researchers rely on what they see: but inferring #emotions from #behavior is not enough! Our new preprint discusses how #technology could help us better understand animal affect under naturalistic conditions: osf.io/preprints/os...
Reposted by Alex Chan
Check out the newest episode of our podcast "In the Swarm"!
Have you ever wondered how tiny insects navigate the world? In this episode, @anna-stoeckl.bsky.social explains how the tiny but mighty insect brain controls behaviour of stunning complexity.
www.exc.uni-konstanz.de/collective-b...
Have you ever wondered how tiny insects navigate the world? In this episode, @anna-stoeckl.bsky.social explains how the tiny but mighty insect brain controls behaviour of stunning complexity.
www.exc.uni-konstanz.de/collective-b...
August 1, 2025 at 8:37 AM
Check out the newest episode of our podcast "In the Swarm"!
Have you ever wondered how tiny insects navigate the world? In this episode, @anna-stoeckl.bsky.social explains how the tiny but mighty insect brain controls behaviour of stunning complexity.
www.exc.uni-konstanz.de/collective-b...
Have you ever wondered how tiny insects navigate the world? In this episode, @anna-stoeckl.bsky.social explains how the tiny but mighty insect brain controls behaviour of stunning complexity.
www.exc.uni-konstanz.de/collective-b...
Reposted by Alex Chan
New paper out 🥳
The physiological costs of leadership in collective movements. - Trying to lead the group can be stressful, so it might not always be worth it!#openaccess at @currentbiology.bsky.social @cbehav.bsky.social @mpi-animalbehav.bsky.social
The physiological costs of leadership in collective movements. - Trying to lead the group can be stressful, so it might not always be worth it!#openaccess at @currentbiology.bsky.social @cbehav.bsky.social @mpi-animalbehav.bsky.social
Led by @hanjabrrr.bsky.social, @damienfarine.bsky.social, and I, we combined ECG and GPS tracking from a whole group of vulturine guineafowl to show that collective movements, and especially attempting to lead under disagreement greatly increased Heart Rates.
www.sciencedirect.com/science/arti...
www.sciencedirect.com/science/arti...
The physiological cost of leadership in collective movements
Individuals can gain substantial benefits from collective actions.1,2,3,4,5,6,7 However, collective behaviors introduce new challenges, like coordinat…
www.sciencedirect.com
July 23, 2025 at 6:55 AM
New paper out 🥳
The physiological costs of leadership in collective movements. - Trying to lead the group can be stressful, so it might not always be worth it!#openaccess at @currentbiology.bsky.social @cbehav.bsky.social @mpi-animalbehav.bsky.social
The physiological costs of leadership in collective movements. - Trying to lead the group can be stressful, so it might not always be worth it!#openaccess at @currentbiology.bsky.social @cbehav.bsky.social @mpi-animalbehav.bsky.social
Second season is finally out!! Go check out the first episode with Liang on robot fish!
Big shoutout to @krisanathema.fediscience.org.ap.brid.gy for leading us through the finish line ;)
open.spotify.com/show/2c1iSav...
Big shoutout to @krisanathema.fediscience.org.ap.brid.gy for leading us through the finish line ;)
open.spotify.com/show/2c1iSav...
July 18, 2025 at 11:04 AM
Second season is finally out!! Go check out the first episode with Liang on robot fish!
Big shoutout to @krisanathema.fediscience.org.ap.brid.gy for leading us through the finish line ;)
open.spotify.com/show/2c1iSav...
Big shoutout to @krisanathema.fediscience.org.ap.brid.gy for leading us through the finish line ;)
open.spotify.com/show/2c1iSav...