Reposted by Jeroen ZewaldOded Ritov @oded-ritov.bsky.social · 30/09/2026Do chimpanzees value their friendships enough to pass on juicy pineapple? In our new paper, out now at Evolution and Human Behavior, we find that they do! www.sciencedirect.com/science/arti... 15719
Reposted by Jeroen ZewaldTay (Antonio J. Osuna Mascaró) @biotay.bsky.social · 28/09/2026Meet Veronika the cow, clever octopuses, smart kunekune pigs, and the wonderful Goffin's cockatoos. A documentary by Feuer & Flamme Film for those of you with access to ORF 2. CC @auersperga.bsky.social 0248
Reposted by Jeroen ZewaldZoë Goldsborough @zoegoldsborough.bsky.social · 24/09/2026📣🎓 Open #PhD Position (3.5 years) 🎓📣 Want to come work with me on culture and social bonds in apes? 🐵 Apply to join my new group in the @livingingroups.bsky.social at @mpi-animalbehav.bsky.social. Full job posting: imprs-qbee.mpg.de/131133/cultu... Deadline 📅 23 October 2026 Please share widely! 14264
Reposted by Jeroen ZewaldARAA @araa.at · 24/09/2026#HotOffThePress 🔥🖊️ “Body awareness in Goffin’s cockatoos (Cacatua goffiniana)” 🦜 Sept 2026. Scientific Reports. P. Hundegger, R. Folkertsma, @drracheldale.bsky.social, @auersperga.bsky.social & @biotay.bsky.social doi.org/10.1038/s415...doi.orgBody awareness in Goffin’s cockatoos (Cacatua goffiniana) - Scientific ReportsScientific Reports - Body awareness in Goffin’s cockatoos (Cacatua goffiniana) 0149
Reposted by Jeroen ZewaldARAA @araa.at · 09/09/2026So proud that two of our ARAA folk won awards at #ECBB2026! 🤩🥰 Congrats to @annaek.bsky.social and @awanib.bsky.social 🙌 0174
Reposted by Jeroen ZewaldARAA @araa.at · 12/09/2026It was a cozy fit getting everyone into the office at the Goffin lab HQ but we managed for some fantastic talks by @theroesa.bsky.social 🐦 @thibhly.bsky.social 🐊 and Lona Lalić 🥰 0144
Reposted by Jeroen ZewaldARAA @araa.at · 12/09/2026Very successful visit to the Goffin lab: the birds were met, the birds were pet, then showed off how clever (and mischievous) they can be 094
Reposted by Jeroen ZewaldARAA @araa.at · 13/09/2026The first ever Goffin lab camping trip was a complete success, despite the surprise autumnal cold snap! 🍂 092
Reposted by Jeroen ZewaldDr Jen Colbourne 🇨🇦🏳️🌈 @raccoonologist.bsky.social · 05/09/2026My fantastically talented labmate @annaek.bsky.social won runner up for best ECR talk! It was seriously so good, I’m proud as punch 🤩 Shes only just finishing the first year of her PhD too ! We had such a great time together at #ECBB2026 repping the Goffin Goldegg Lab 😁 🦜 0235
Reposted by Jeroen ZewaldASAB Education Committee @asabeducation.bsky.social · 01/09/2026Two macaques had to pull both rope ends at once to get snacks 🐒 With one apparatus available, one male pair monopolised it - 86% of all pulls. With five apparatuses, just 4% and more pulls with others. @zewaldj.bsky.social in doi.org/10.1016/j.anbehav.2026.123632 2155
Reposted by Jeroen ZewaldChristoph Völter @christophvoelter.bsky.social · 28/07/2026Join us in Vienna! We are looking for a #PhD student and a #Postdoc to investigate #innovation in great #apes: PhD ad: share.eva.mpg.de/index.php/s/... Postdoc ad: share.eva.mpg.de/index.php/s/... Application deadline: August 17th. Please share widely! 19083
Reposted by Jeroen ZewaldARAA @araa.at · 08/07/2026Very excited to hear this talk! Join us on July 17 084
Reposted by Jeroen ZewaldParlons Terrain @parlonsterrain.bsky.social · 07/07/2026Don't miss our Fieldwork preparation workshop tomorrow 8th of July from 🕓 4 p.m to 6 p.m! How to join you ask? Easy here's the link: meet.google.com/tha-xcuy-yqomeet.google.comMeetReal-time meetings by Google. Using your browser, share your video, desktop, and presentations with teammates and customers. 002
Reposted by Jeroen ZewaldGabriella E. Smith, PhD @explanimals.bsky.social · 08/07/2026Dream PhD opening! Innovation in wild falcons! Application deadline Aug 1🦅 06263
Reposted by Jeroen ZewaldBarbara Klump @barbaraklump.bsky.social · 30/06/2026Join us in Vienna! We are looking for a PhD student and a Postdoc to investigate innovation in corvids within the “Comparative ecological innovation styles” project funded by @fwf-at.bsky.social. More info: barbaraklump.com Application deadline July 24th. Please share widely! 2103104
Reposted by Jeroen ZewaldBarbara Klump @barbaraklump.bsky.social · 30/06/2026More of a field person? We have a work contract available on walnut dropping in carrion crows within the @wwtf.at funded project on "The interplay between cognition and ecology in extractive foraging behaviours". More info: barbaraklump.com Application deadline July 24th. Please share widely! 01618
Reposted by Jeroen ZewaldTay (Antonio J. Osuna Mascaró) @biotay.bsky.social · 02/07/2026Opportunity to pursue a doctoral thesis in the Goffin Lab and the Kea Lab The research will focus on play, exploration, and problem-solving abilities in cockatoos and kea. If exploring the minds of other species fascinates you, I highly recommend this opportunity. 23422
Reposted by Jeroen ZewaldAlice Auersperg @auersperga.bsky.social · 01/07/2026We have an exciting new position in our group for a PhD on parrot innovation !!! The position will be part of our new @fwf-at.bsky.social Emerging Fields project with @barbaraklump.bsky.social , @mohara.bsky.social , @christophvoelter.bsky.social and Justus Piater. Apply & share!! 26253
Jeroen Zewald @zewaldj.bsky.social · 26/06/2026NEW PAPER! 🐒 Cooperation experiments in animals are often done with one cooperation apparatus, creating a specific highly monopolisable setting. We found that presenting multiple apparatuses significantly changed macaques' partner preference compared to one apparatus. doi.org/10.1016/j.an... 1188
Reposted by Jeroen ZewaldPaula Ibáñez de Aldecoa @pialdecoa.bsky.social · 26/06/2026My dear friend @poppylambert.bsky.social (ethologist by day, science communicator in between) hosts a wonderful podcast launching TODAY 🚀 I know how hard she's worked for months on this and I couldn't be prouder! Enlightening conversations with brilliant biologists led by a stellar human being ✨ 193
Reposted by Jeroen ZewaldDanai Papageorgiou @danaipapageorgiou.bsky.social · 15/06/2026🎓📢 PhD Alert 🎓📢 Three weeks left to apply for the PhD position on maintaining the balance of power in animal societies! www.hu-berlin.de/en/universit... @animalopps.bsky.socialhu-berlin.deMaking sure you're not a bot! 01522
Reposted by Jeroen ZewaldAlice Auersperg @auersperga.bsky.social · 16/06/2026Our new Paper with @susanamonso.com and @biotay.bsky.social is out. It tests one of the components of Susana Monso's minimal concept of death in a Touch Screen Setup: sensitivity to permanent non-functionality. www.nature.com/articles/s41... 0235
Reposted by Jeroen ZewaldTay (Antonio J. Osuna Mascaró) @biotay.bsky.social · 16/06/20261/16 Do other species understand death? In this study with cockatoos, we approach this question from its foundation, by studying one of its central components: sensitivity to the permanent loss of a function. I will explain it in this thread (with videos) (paper) www.nature.com/articles/s41... 26129
Reposted by Jeroen ZewaldTay (Antonio J. Osuna Mascaró) @biotay.bsky.social · 05/06/20261/4 Bumblebees can solve a task inspired by Köhler’s famous test with chimpanzees. They had to reach an artificial “flower”, and to do so they had to integrate prior information about a ball that could be used to reach it. (paper) www.science.org/doi/10.1126/... by @olliloukola.bsky.social 12715
Reposted by Jeroen ZewaldMagdalena Boch 🏳️🌈🇪🇺🇦🇹 @magdalenaboch.bsky.social · 27/05/2026(1/2) Hiring! 🤸🧠🐩 Postdoc position in my new group @univie.ac.at & Messerli Research Institute on the neuro-cognitive foundations and evolution of sociality across humans, dogs, and other carnivorans. 📍 Vienna 📅 Application deadline: 26 July 2026 ℹ️ shortifyme.co/p3NjN 12727
Reposted by Jeroen ZewaldARAA @araa.at · 20/05/2026Two post doc positions at the Messerli Institute of Vetmeduni Vienna, including a few topics on parrots! Deadline July 26. www.vetmeduni.ac.at/fileadmin/v/...vetmeduni.ac.at 099
Reposted by Jeroen ZewaldAlice Auersperg @auersperga.bsky.social · 21/05/2026extreme extractive foraging - fieldwork with @theroesa.bsky.social 13211
Reposted by Jeroen ZewaldARAA @araa.at · 20/05/2026Congrats to Dr. Gabriella Smith (@explanimals.bsky.social) for a successful PhD defensio at Vetmeduni Vienna! Read more about her thesis work on curiosity in parrots: 🦜 doi.org/10.1098/rsos... doi.org/10.1162/OPMI... 1266
Reposted by Jeroen ZewaldChristoph Völter @christophvoelter.bsky.social · 20/05/2026Two postdoc positions at the Messerli Research Institute in Vienna in the research area of human-animal interactions: www.vetmeduni.ac.at/fileadmin/v/...vetmeduni.ac.at 0817
Reposted by Jeroen ZewaldARAA @araa.at · 18/05/2026Our first ARAA book club event went really well! We discussed the representation of animal cognition and other themes in @aptshadow.bsky.social’s Children of Time 🕷️🚀✨📚 Shout out to @zewaldj.bsky.social for the creative powerpoint summary and @kiwiow.bsky.social for the themed make up 😍 1122
Reposted by Jeroen ZewaldChristoph Völter @christophvoelter.bsky.social · 17/05/2026New #dog #eyetracking paper: Pupil size changes reveal that dogs have expectations about the usual response to some conventional human gestures in a third-party context. www.sciencedirect.com/science/arti... led by Lucrezia Lonardo and w/ Ludwig Huber. 1244
Reposted by Jeroen ZewaldARAA @araa.at · 15/05/2026Our “Bird Research at Schönbrunn Zoo” day went super well! We had an official guided tour, talks by Barbara Steininger on bald Ibis and @guillmcivor.bsky.social on crows, “Bird Behaviour Bingo,” a picnic and a photo contest 😍🪶☀️ 1123
Jeroen Zewald @zewaldj.bsky.social · 12/05/2026There and back again... A year ago, I started a new field study with long-tailed macaques in tropical Bali, Indonesia. Then, I visited the snowy prairies in Alberta, Canada. I've met many great people and playful monkeys along the way. I'm very thankful for all the support during this adventure 🗺🐒 081
Reposted by Jeroen ZewaldVesta Eleuteri @vestaeleuteri.bsky.social · 08/05/2026Happy to see our elephant multimodal communication paper among this collection of articles celebrating Sir David Attenborough’s 100th birthday! 062
Reposted by Jeroen ZewaldTay (Antonio J. Osuna Mascaró) @biotay.bsky.social · 02/05/20261/2 Adult play Although phylogeny predicts which primates play as adults (if play exists in one species, it is more likely to exist in close ones), it is whether or not the society is tolerant (and not despotic) that best predicts this behavior (paper) royalsocietypublishing.org/rsbl/article... 22014
Reposted by Jeroen ZewaldJulia Penndorf @julia-penndorf.bsky.social · 01/05/2026🎉🦜NEW PAPER ALERT 🦜🎉 Which social learning biases underly the acquisition of novel food in wild parrots ? We (@lucymaplin.bsky.social, @bjjbarrett.bsky.social, @sonjawild.bsky.social, @drjohnmartin.bsky.social) presented >700 cockies with a novel, artificial food (🧵1/6) 14422
Reposted by Jeroen ZewaldTay (Antonio J. Osuna Mascaró) @biotay.bsky.social · 20/04/2026"I've sometimes been accused of degrading mankind, or insulting human dignity, of making man beastly" "This surprised me because I like animals and I feel proud to call myself one. I've never looked down upon them, so to call human beings animals is not, to me, degrading." 1258
Reposted by Jeroen ZewaldDebottam Bhattacharjee @debottam1991.bsky.social · 01/04/2026Happy to share our recent publication on 🐒 macaque self-directed behaviours w/ Eva van Dijk Roos de Vries Charlotte Kluiver Mia Valomy Adam Zeeman & Jorg Massen Link to the @royalsocietypublishing.org paper - doi.org/10.1098/rsos...doi.orgMany facets of self-directed behaviours in macaquesAbstract. Emotional states like anxiety are adaptive, assisting individuals during social uncertainty and threats. Humans can self-report anxiety, whereas 164
Reposted by Jeroen ZewaldDiverse Intelligences Summer Institute #DISI @divintelligence.bsky.social · 18/03/2026Update: we've extended our timeline! Review of applications will now begin March 24. Still plenty of time to put together an app! disi.org/apply/disi.orgApply - DISIThe Diverse Intelligences Summer Institute (DISI) is building a new community: a vibrant network of early-career scholars who are devoted to bold, transdisciplinary inquiry into the origins, nature, a... 0910
Reposted by Jeroen ZewaldThomas MacGillavry @thomasmacgillavry.bsky.social · 02/03/2026Nice end to a fun PhD 🎉 4452
Reposted by Jeroen ZewaldTay (Antonio J. Osuna Mascaró) @biotay.bsky.social · 22/01/2026SPAR supermarkets are promoting a broom and stick set in Austria with Veronika. It reads: “Einstein among the cows: Spar sells Vroni's back scratcher set” Vroni is the diminutive form of Veronika, of course. Thanks to Özge Nasa for the tip! 25212
Reposted by Jeroen ZewaldDr Jen Colbourne 🇨🇦🏳️🌈 @raccoonologist.bsky.social · 31/01/2026Had our official launch of the Avian Research Association of Austria (ARAA) yesterday, and I’m so pleased it went well! This is the planned culmination of the regular research pub socials I started back in 2023, it’s hard to believe it’s finally happened 🥰 I have such a great team! 0131
Reposted by Jeroen ZewaldAlice Auersperg @auersperga.bsky.social · 04/02/2026Naked scientist Podcast with Veronika: www.thenakedscientists.com/podcasts/nak...thenakedscientists.comCracking cancer’s code, and the cow that scratches its backPlus, SpaceX’s Starlink continues to expand… 062
Reposted by Jeroen ZewaldTay (Antonio J. Osuna Mascaró) @biotay.bsky.social · 11/02/20261/2 Veronika in winter continues to leave us speechless. Now there are no annoying horseflies or bites to scratch, but it's time to get rid of the winter coat, and there's nothing better than a good stick with sharp edges. 35214
Reposted by Jeroen ZewaldDr Jen Colbourne 🇨🇦🏳️🌈 @raccoonologist.bsky.social · 03/03/2026After a rough year, I’ve just had the best two days of my life. I successfully defended my PhD, got a job as a postdoc, and received a signed copy of a book (and an acknowledgment) by one of my favourite authors @aptshadow.bsky.social 😍🙌🥳 171215
Reposted by Jeroen ZewaldDiverse Intelligences Summer Institute #DISI @divintelligence.bsky.social · 09/03/2026Application review begins in one week (Mar 16)! (Review will continue until all spots are filled.) 086
Reposted by Jeroen ZewaldDr Jen Colbourne 🇨🇦🏳️🌈 @raccoonologist.bsky.social · 09/03/2026So incredibly happy that the work on Tanimbar will continue - it’s such an amazing lab. 🥹 Huge congrats to everyone, well deserved! 031
Reposted by Jeroen ZewaldMark O’Hara @mohara.bsky.social · 09/03/2026Honoured to be among such great colleagues @barbaraklump.bsky.social @christophvoelter.bsky.social @auersperga.bsky.social and Justus Piater, to study fundamental drivers of innovation. And hugely grateful to the @fwf-at.bsky.social to be able to continue the fieldwork on the Tanimbar Islands 🌴🕊️🤠 7395
Reposted by Jeroen ZewaldZe Frank @zefrank.bsky.social · 18/01/2026New True Facts : www.youtube.com/watch?v=Oq9J...youtube.comTrue Facts: Is The Goffin's Cockatoo The Smartest Bird?YouTube video by Ze Frank 1110336
Reposted by Jeroen ZewaldTay (Antonio J. Osuna Mascaró) @biotay.bsky.social · 18/01/2026Ze Frank is the best, and "the Goffin's cockatoos make the New Caledonian crows look like Old Caledonian crows" (this it's an actual comment on YouTube!) Don't miss this video about our work at the Goffin Lab (and the Tanimbar Lab!) "I've seen a cockatoo. I've seen a cockatoo 🤘" 22513