Brendan Barrett
@bjjbarrett.bsky.social
dad / evolutionary (behavioral) ecologist
group leader at MPI-AB and STRI research associate
social learning, cultural evolution, extragenetic inheritance, dispersal.
field & stats & math.
cyclist & runner / doom metal aficionado.
he/him.
group leader at MPI-AB and STRI research associate
social learning, cultural evolution, extragenetic inheritance, dispersal.
field & stats & math.
cyclist & runner / doom metal aficionado.
he/him.
thanks! in case you are curious rock density covaries across space.
October 24, 2025 at 8:38 AM
thanks! in case you are curious rock density covaries across space.
There are abundant dyadic social relations models and DAGs in the SI. This is recently submitted and hopefully in review, so any feedback is welcome! www.biorxiv.org/content/10.1...
August 20, 2025 at 12:02 PM
There are abundant dyadic social relations models and DAGs in the SI. This is recently submitted and hopefully in review, so any feedback is welcome! www.biorxiv.org/content/10.1...
during dry season, resource concentration around rivers ⬇️ spatial overlap but ⬆️ intergroup encounters, especially in more productive areas-- capuchins are more territorial in dry season.
August 20, 2025 at 12:02 PM
during dry season, resource concentration around rivers ⬇️ spatial overlap but ⬆️ intergroup encounters, especially in more productive areas-- capuchins are more territorial in dry season.
We show that bigger groups compensate for reduced per-capita foraging efficiency by expanding into less-exploited areas over longer timescales instead of increasing daily travel, but seasonality matters
August 20, 2025 at 12:02 PM
We show that bigger groups compensate for reduced per-capita foraging efficiency by expanding into less-exploited areas over longer timescales instead of increasing daily travel, but seasonality matters
Using 33 years of movement data (partially georeferenced from historical written records) on 12 neighboring groups, focal follow data, and remotely sensing/climate records we extended the social relations model to examine within-group and between group-dyad predictors of competition over space use
August 20, 2025 at 12:02 PM
Using 33 years of movement data (partially georeferenced from historical written records) on 12 neighboring groups, focal follow data, and remotely sensing/climate records we extended the social relations model to examine within-group and between group-dyad predictors of competition over space use
Congrats to Dr. @zoegoldsborough.bsky.social on successfully defending her dissertation @mpi-animalbehav.bsky.social and @imprs-qbee.bsky.social
July 7, 2025 at 7:35 AM
Congrats to Dr. @zoegoldsborough.bsky.social on successfully defending her dissertation @mpi-animalbehav.bsky.social and @imprs-qbee.bsky.social
Hot new summer guilty pleasure read 🏖️
July 3, 2025 at 7:38 AM
Hot new summer guilty pleasure read 🏖️
whoops: this is for 4
May 15, 2025 at 9:40 AM
whoops: this is for 4
(4) developing educational programs and ethical guidelines tailored to the unique challenges of biologging research
May 15, 2025 at 9:30 AM
(4) developing educational programs and ethical guidelines tailored to the unique challenges of biologging research
(3) demanding industry standards for biologging devices to ensure reliability and minimize harm
May 15, 2025 at 9:30 AM
(3) demanding industry standards for biologging devices to ensure reliability and minimize harm
(2) implementing pre-registration as well as post-reporting of studies and devices to reduce publication bias and improve transparency
May 15, 2025 at 9:30 AM
(2) implementing pre-registration as well as post-reporting of studies and devices to reduce publication bias and improve transparency
(1) establishing a biologging expert registry to enhance collaboration and knowledge sharing
May 15, 2025 at 9:30 AM
(1) establishing a biologging expert registry to enhance collaboration and knowledge sharing
Age differences in efficiency of stone tool use, slow development, rare instances of social attention, but strong patterns of directed observation when it does occur.
May 12, 2025 at 1:26 PM
Age differences in efficiency of stone tool use, slow development, rare instances of social attention, but strong patterns of directed observation when it does occur.
and Lucia Bruscagnin defended her MS thesis and joined for field work in Costa Rica. She is off to work at SUAQ in Indonesia
February 18, 2025 at 2:06 PM
and Lucia Bruscagnin defended her MS thesis and joined for field work in Costa Rica. She is off to work at SUAQ in Indonesia
Dr. Odd Jacobson also successfully defended his dissertation (my first PhD student!)
February 18, 2025 at 2:02 PM
Dr. Odd Jacobson also successfully defended his dissertation (my first PhD student!)
relocated family to panama for 3 months to enable dual couple field work
February 18, 2025 at 1:45 PM
relocated family to panama for 3 months to enable dual couple field work
also A+ boat name
February 18, 2025 at 1:41 PM
also A+ boat name
did a quick trip in coiba, working on some computer imaging capuchin experimental anvil setups in riparian habitat
February 18, 2025 at 1:40 PM
did a quick trip in coiba, working on some computer imaging capuchin experimental anvil setups in riparian habitat
also did two field trips to Lomas Barbudal in Costa Rica to deploy camera traps to estimate capuchin population density and demography with ground-truthed data from 13 habituated groups.
February 18, 2025 at 1:36 PM
also did two field trips to Lomas Barbudal in Costa Rica to deploy camera traps to estimate capuchin population density and demography with ground-truthed data from 13 habituated groups.
its been a busy few months. first off i had a great time at the V Congreso Latinoamericano de Primatología in Pereira, Colombia presenting work in a Cebidae symposium.
February 18, 2025 at 1:31 PM
its been a busy few months. first off i had a great time at the V Congreso Latinoamericano de Primatología in Pereira, Colombia presenting work in a Cebidae symposium.
experimenting with visualizing correlations of outcomes in bayesian multivariate (outome models). Thoughts? or are posterior just better (dashed lines are HPDIs).
November 23, 2024 at 3:20 AM
experimenting with visualizing correlations of outcomes in bayesian multivariate (outome models). Thoughts? or are posterior just better (dashed lines are HPDIs).
Rainier and floodier than normal in #guanacaste.
November 17, 2024 at 3:16 AM
Rainier and floodier than normal in #guanacaste.
Congrats to Odd Jacobson, my first PhD student to submit their dissertation!
September 17, 2024 at 8:20 AM
Congrats to Odd Jacobson, my first PhD student to submit their dissertation!