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Hanna Kokko

@kokkonut.bsky.social
5.4K followers 627 following 171 posts

A.v.Humboldt professor at the University of Mainz. Evolutionary ecologist. Runs a research group that once prompted the description "in this [coffee] room there's almost always someone who is at least partially fun". (Which we then translated into Latin.)

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Reposted by Hanna Kokko
Jeremy Van Cleve @vancleve.theoretical.bio · 9h
My group is recruiting a Ph.D student for Fall 2027! We're a friendly group of mathematically-minded and computationally-inspired biologists studying topics including social evolution, host-pathogen interactions, genetics, and demography. See vancleve.theoretical.bio for more info!
vancleve.theoretical.bio
van cleve research group
Van Cleve Research Group – theoretical evolution & ecology at the University of Kentucky
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Hanna Kokko @kokkonut.bsky.social · 23/09/2026
There is still time to apply! I'll start reading the applications this Friday.
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Rob Noble @robjohnnoble.bsky.social · 16/09/2026
The excellent Hanna ten Brink in Amsterdam is advertising "a super cool Phd project on modelling krill and salps and, most importantly, their poo" that'd suit someone into mathematical modelling, coding, and marine ecosystems, polar regions, and/or biogeochemistry werkenbij.uva.nl/en/vacancies...
werkenbij.uva.nl
Vacancy — PhD candidate in ecological modelling of krill and salps in a changing Southern Ocean
Are you excited by ecosystem modeling, climate change and polar oceans? Do you enjoy quantitative work, coding, and turning ecology into equations? We are looking for a highly motivated PhD candidate ...
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BES Evolutionary Ecology Group @bes-evolecol.bsky.social · 21/07/2026
We’re very excited to confirm that Rosemary Grant will be giving our inaugural online webinar in September. It’s free to all, so please look out for details of how to sign up for tickets.
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Graham Coop @gcbias.bsky.social · 10/09/2026
I’m looking to hire an NIH funded postdoc to join our lab here at Davis (please RT). Ongoing areas of interest include: 1) polygenic signals of selection from time series, ARGs, GWAS, etc 2) The interpretation of GWAS, polygenic scores, & sources of confounding
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Laura Ross @laurarossevo.bsky.social · 10/09/2026
My lab @ Edinburgh university is recruiting a postdoc to work on the weird and wonderful germline-specific chromosomes of flies. elxw.fa.em3.oraclecloud.com/hcmUI/Candid... collaboration with @germline.bsky.social and yukiko yamashita funded by @novonordisk.bsky.social please repost!
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Alligator Sommelier @idlewild5.bsky.social · 09/09/2026
A delightful example of why we don't use free text fields for data that needs to be analyzed/tabulated. Unless the dataset is going to be small enough to code to clean results quickly and the outcome is going to be this funny, in which case I think we should! (With alt text)
1 feet good

2 good feet

3 beautiful feet

4 wonderful feet

5 foot intact

6 feet ok!

7 feet intact

8 sexy feet

9 great feet

10 gorgeous feet

11 feet ok

12 feet...wonderful

13 perfect feet

14 hole in left foot...but still beautiful
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sandraduharcourt.bsky.social @sandraduharcourt.bsky.social · 08/09/2026
Very happy to see our Nature Reviews Genetics article on programmed DNA elimination across eukaryotes out! A fantastic collective effort with an amazing group of colleagues, born from inspiring discussions at the Fondation des Treilles. rdcu.be/tmvKgsPZNhBa @laurarossevo.bsky.social
rdcu.be
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Richard McElreath 🐈‍⬛ @rmcelreath.bsky.social · 05/09/2026
Still my slide rule gently weeps. If you are a logarithm and music enjoyer, you might also like www.charlespetzold.com/blog/2026/09...
charlespetzold.com
Can Guitar Frets Perform Multiplication?
I’m sure that some pictures are worth a thousand words, but others trigger a whole lot of puzzlement. Such was the case with the cover of a book I recently bought entitled Calculating with Tones: The ...
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ybrandvain.bsky.social @ybrandvain.bsky.social · 04/09/2026
I'm excited to release the newest version of my free applied biostats textbook. It's tidyverse style, clarkia inspired and loads of fun Im putting this down until the end of the semester, when I'll add and polish additional chapters, but the 1st 21 are pretty solid yanivjb.github.io/biostats-book
yanivjb.github.io
Applied Biostatistics
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Hanna Kokko @kokkonut.bsky.social · 04/09/2026
Are you into mathematical modelling of ecological and evolutionary systems? Look at this job ad for a senior lecturer in Lund. I've visited many times, splendid compact city, splendid department! lu.varbi.com/en/what:job/...
lu.varbi.com
Senior Lecturer in Computational Biology
Lund University welcomes applicants with different backgrounds and experiences. Gender equality, equal opportunities and diversity are fundamental principles in all parts of the University’s activit
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Thomas Lenormand @thomaslenormand.bsky.social · 01/09/2026
🚨Interested in #evolutionary #genomics and #popgen #theory? My lab just opened a 1+ year #postdoc position to work on sex chromosome dosage compensation. At #CEFE in beautiful Montpellier. Deadline soon, don't be shy, apply, theory is exciting! 👉 bit.ly/4eMWDIh
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Hanna Kokko @kokkonut.bsky.social · 26/08/2026
Come and work with us (the Kokkonuts) as a postdoc! Our research within (theory-evo-eco) is broad; let's say it's implicitly defined by the journal club papers we read. Which is why the application process includes a JC-related task, I hope it'll be a fun one for you! www.evoldir.net/brian/evoldi...
evoldir.net
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Shikhara Bhat @shikharabhat.bsky.social · 25/08/2026
The doomscrolling journey is long and full of terrors. Here, have a stream-dwelling torrent toad (Ghatophryne ornata) and a (land+tree)-dwelling snail (Indrella ampulla). Both brightly coloured, and I don't think anybody knows why! Both are endemic to the western ghat rainforests of southern India.
Picture of Ghatophryne ornata, a torrent toad endemic to the central western ghats rainforests in India. The genus Ghatophryne consists of two species, both endemic to the ghats.Picture of Indrella ampulla, a terrestrial snail endemic to the western ghats rainforests in India. The genus Indrella is monotypic.
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Evolution @journal-evo.bsky.social · 19/08/2026
Now seeking our next Reviews Editor! We are looking for someone with broad interests and enthusiasm who can help promote the success of a society-owned journal by commissioning Review and Perspective articles. Indicate your interest by Sept. 15: www.evolutionsociety.org/news/display...
evolutionsociety.org
Call for Evolution Reviews Editor Applications
Are you passionate about evolutionary biology and want to make a major contribution to the literature? If so, you could be the next Reviews Editor for Evolution ! We are seeking someone with ...
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Charles Mullon @charlesmullon.bsky.social · 19/08/2026
With @ewanflintham.bsky.social @thomaslesaffre.bsky.social and @sarperotto.bsky.social we've been thinking about what theory tells us about sexual antagonism (SA = when selection favours different trait values in females and males). Our review is here: tinyurl.com/ct5mk8mv
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Joe Brennan @biologyjoe87.bsky.social · 17/08/2026
Looking for sci comm opportunities? Join us as a writer for American Naturalist press releases! These write-ups are primarily written by graduate students and other early-career scientists. No experience required; we have editors to help along the way. Apps due Sept 1. Please share widely :D
forms.gle
Looking for Press Release Writers & Editors for The American Naturalist
Sign up for the opportunity to write and/or edit for The American Naturalist! We are seeking authors to write press releases for new journal articles. See examples of recent press releases here. We a...
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Hanna Kokko @kokkonut.bsky.social · 17/08/2026
Wonderful that Wübben helped us attract an excellent colleague here - welcome @englishse.bsky.social !
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Hanna Kokko @kokkonut.bsky.social · 13/08/2026
Aww thank you! It was also fun to think about how Lotka-Volterra dynamics should be taught.
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Bob Wong @bbmwong.bsky.social · 11/08/2026
Are you an ecologist/evolutionary biologist looking for an ongoing academic position? Monash University’s School of Biological Sciences is hiring! Come join us in Melbourne, Australia! Details here: careers.pageuppeople.com/513/cw/en/jo...
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Common Tern Project @commonternproject.bsky.social · 10/08/2026
Question: do I know anyone near Nantes who would be willing to pick up a dead gull-billed tern and its logger? L49 has sadly been killed near a road. I’d be very grateful for a picture and the logger and would of course reimburse postage.
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Kalyani Twyman @kztwyman.bsky.social · 04/08/2026
Woo! @kokkonut.bsky.social
bio.uni-mainz.de
Dr. Kalyani Twyman has joined Prof. Dr. Hanna Kokko’s lab group in the Johannes Gutenberg University Mainz (JGU) – Faculty of Biology | 10
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jessamyn @librarian.bsky.social · 31/07/2026
I work at a public library. People who want to use AI seem to have no trouble doing so. People who don't want to use AI have a harder time. I crowdsourced and then finalized this document "How to disable or avoid intrusive AI" and then gave it a short URL: notoai.org Please pass along if it's useful
An aircraft passenger oxygen mask: a drop down passenger mask with air bag and yellow plastic mouth and nose cover, oxygen tube has been cut; Demonstration model used by flight attendant crew for passenger instruction. Has text on the side indicating that it's non-functional.
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Hanna Kokko @kokkonut.bsky.social · 30/07/2026
.The very talented and fun Jonathan Henshaw has two positions to offer! If you like theoretical eco-evo questions, don't hesitate. Also, Freiburg is a very pretty place PhD: uni-freiburg.de/stellenangeb... Postdoc: uni-freiburg.de/stellenangeb...
uni-freiburg.de
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Gaurav Athreya @gauravathreya.bsky.social · 29/07/2026
wanna read the latest overview of “internal evolutionary conflicts” — scenarios where genes spread despite being organism-deleterious? and wanna learn how to model them? look at our new preprint! we introduce unifying ideas, and try hard to write accessibly. small 🧵 www.biorxiv.org/content/10.6...
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Max Stammnitz @maxstammnitz.bsky.social · 22/07/2026
Wow! A fourth class of transmissible cancers. CONTAGIOUS FISH MELANOMA, discovered in Lake Memphremagog (Vermont / Quebec) 🎣 🧬 😷 www.nature.com/articles/s41... @uvmvermont.bsky.social
nature.com
Brown bullhead catfish melanoma represents a novel transmissible cancer - Nature
Whole-genome sequencing analysis of tumour and matched non-tumour host tissues of the brown bullhead catfish reveals a type of naturally occurring transmissible cancer.
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Shikhara Bhat @shikharabhat.bsky.social · 22/07/2026
Corkkonuts at #MMEE2026 CC @kokkonut.bsky.social Present in picture, @gauravathreya.bsky.social @kztwyman.bsky.social @yagmurerten.bsky.social
Group picture
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Tomos Potter @tomospotter.bsky.social · 13/07/2026
Preprint alert! 🧪 🐟 If you are interested in #LongTermStudies #BalancingSelection #KinCompetition check out our new MS. Mini thread below 🧵:
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Bob Wong @bbmwong.bsky.social · 10/07/2026
Do you have a background in behavioural ecology and are you interested in doing a PhD in Australia? I’m looking for new grad students so check out our website (BobWongLab.org) or come find me in Torino at #ISBE2026. 🐟🐠
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Wissenschaftskolleg zu Berlin @wiko-berlin.bsky.social · 09/07/2026
CFA: Apply by November 1st! Wiko Early Career Call for fellowships 2027/2028 in the #NaturalSciences and #LifeSciences. Gain time to think during a 3–5 month #fellowship at the Wissenschaftskolleg zu Berlin – Institute for Advanced Study: www.wiko-berlin.de/en/becoming-...
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Dieter Lukas @dieterlukas.fediscience.org.ap.brid.gy · 06/07/2026
I compiled a list of 350 #funding opportunities for #postdoctoral research #fellowships: docs.google.com/spreadsheets/d/1J2M… I realized I should share this again after mentioning it to some folks at the #EFP2026
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Simon Evans @sevans.bsky.social · 03/07/2026
A new group dedicated to evolutionary ecology! This is an opportunity to have a permanent community space for the field, as well as ensure regular conferences like #ExE2026. But it needs your help 👇
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Hanna Kokko @kokkonut.bsky.social · 02/07/2026
I've been to a lot of meetings where the timekeeping signals are bird calls, but it's special when the meeting's outing goes to that place where you can see & hear the birds! The scenery was OK too. #ExE2026
Habitat of red-billed choughs (who were there but not in this photo) during the half day outing of the ExE conference
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Daniel Cooney @danielcooney1.bsky.social · 02/07/2026
Check out this really interesting preprint by @shikharabhat.bsky.social and @kokkonut.bsky.social on models of senescence and their connection to models of multilevel selection. It seems like these fun jump processes, PDEs, and SPDEs arise in a variety of biological contexts.
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Stephen Montgomery @ebablab.bsky.social · 30/06/2026
@crab-exeter.bsky.social are a fantastic group of researchers, and a real beacon of excellence for Exeter. What a huge and deeply sad act of self sabotage this would be. Please consider signing their open letter👇🏻
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Michael Sieber @michaelsieber.bsky.social · 01/07/2026
Have ideas for your own, independent research program in Theoretical Biology? Then come and join us as a Group Leader at the @mpi-evolbio.bsky.social in Plön, Germany!
mpg.de
Group Leader in Theoretical Biology (m/f/d)
Experience in Theoretical Biology, Applied Mathematics, Theoretical Physics
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Craig Primmer @fishcongen.bsky.social · 29/06/2026
Thanks to a couple of recent Ws on the funding front, we have 3 open postdoc positions in Helsinki, Finland in the field of salmonid fish ecological and evolutionary genomics. DL 7.8. More details in advert: jobs.helsinki.fi/job/Helsinki...
Basic details of the amazing post doc positions on offer with amazing image of a large Teno River salmon in background
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Hanna Kokko @kokkonut.bsky.social · 29/06/2026
Worth reading in full.
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German Ornithological Society @dornitholges.bsky.social · 25/06/2026
Register now: 159th DOG Annual Meeting 2026 in Mainz The 159th Annual Meeting of the German Ornithologists' Society will take place from 16th to 20th September 2026 at the University of Mainz. Registration for participation in the conference is possible until 14 August. www.do-g.de/veranstalten...
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Hanna Kokko @kokkonut.bsky.social · 11/06/2026
Polymorphisms are fun to study, here is a butterfly one. Negative freq.dependence works to maintain things but where does it come from? Temporal variation works but not always! @koraklein.bsky.social and @chriswheat.bsky.social looked into this in detail. royalsocietypublishing.org/rstb/article...
royalsocietypublishing.org
Emergence time difference can create negative frequency dependence and maintain a colour polymorphism in Colias butterflies
Abstract. Many species of Colias butterflies show a female-limited colour polymorphism where the dominant Alba allele leads to white wings, faster developm
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Shikhara Bhat @shikharabhat.bsky.social · 27/05/2026
Really excited to share that one part of my PhD research is now publicly accessible on preprint servers! Here is a thread explaining our (@kokkonut.bsky.social and I) work on ageing and stochastic damage/failure accumulation, available as a preprint at www.biorxiv.org/content/10.6...
biorxiv.org
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Hanna Kokko @kokkonut.bsky.social · 20/05/2026
I title this arty photo "Dedication"! @ccrowther.bsky.social did great at Pint of Science last night: how long should you wait for your mate to return from migration before concluding "screw this, likely dead"? - Bummed you missed it? Come to @isbe2026.bsky.social or inspect a poster at #ExE2026.
Claudia Crowther presenting a heatmap with predicted wait durations for a mate to return in a migratory bird
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The Dobson Family and Colin the Dalek @dobbersw.bsky.social · 08/05/2026
I still love the theory a Year 6 child proposed to me that David Attenborough is actually God and he got fed up with people not noticing the amazing things he'd created, so he made documentaries to show off.
David Attenborough and one of his creations.
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European Commission @ec.europa.eu · 09/04/2026
Big opportunities for researchers 🌍 We are investing nearly €400 million to help researchers share their work and collaborate with the best scientific teams across the EU. The 2026 Marie Skłodowska-Curie Actions Postdoctoral Fellowships are now open. More: link.europa.eu/PNxpxw
Graphic announcing the MSCA Postdoctoral Fellowships 2026 call. It shows the opening date (9 April 2026), closing date (9 September 2026), and a budget of €399.05 million. The design features scientific visuals such as cells, a leaf, and lab elements on a dark background, with the European Commission logo at the bottom.
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Tomos Potter @tomospotter.bsky.social · 24/04/2026
New paper on how an invasive parasite alters community structure - out now ahead of print in @animalecology.bsky.social! Co-led with Ryan Mohammed, with huge thanks to the very many interns who helped gather data over the years! A very brief thread on what happened and what we found out 🧪🧵:
Background image: giant worms from the Dune movies chasing a fleeing human populace. Lurid red text, in the style of a B-movie title reads: Attack of the killer worms!!!. There is also a screenshot of the journal article heading (Journal of Animal Ecology, researh article titled: Parasites alter host community structure in a natural experiment). Authors are me (Tomos Potter), Ryan S. Mohammed, Joshua F. Goldberg, David N. Reznick, Joseph Travis, and Ronald D. Bassar.
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EvolDir @evoldir.bsky.social · 21/04/2026
📣 EvolDir is now managed by @eseb.bsky.social! We are delighted to be taking the reins and express our gratitude to both Brian Golding who began this service to the community in the mid-1980s and to @rdmpage.bsky.social who ran this account until now 👏 You can now find evoldir here: evoldir.net
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Thomas Lesaffre 🌱 @thomaslesaffre.bsky.social · 07/04/2026
🌺 PhD position in Theoretical Evolutionary Biology! 🌺 There is about two weeks left to apply to come work with me on the evolution of plant reproductive strategies at @unifr.bsky.social ! Contact me or visit here or for more info: tinyurl.com/monoecy Please share! 🌱
A view of the city of Fribourg, Switzerland
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Dr Sarah Myers @drsarahmyers.bsky.social · 02/04/2026
New masters programme in Evolutionary Anthropology - University of Leipzig & Max Planck Institute for Evolutionary Anthropology, teaching in English www.uni-leipzig.de/en/studying/... #EHBEA
uni-leipzig.de
Evolutionary Anthropology MSc
The programme aims to provide in-depth knowledge of the latest research into human evolution and development. The focus is on the genetic, paleoanthropological and cognitive aspects of human behaviour and the mind. Particular emphasis is placed on engaging with the complexities of research processes, and on developing skills in designing, implementing and evaluating studies. Students will gain professional expertise in handling and rigorously analysing and effectively presenting data, preparing them for doctoral research.
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Jess Stephenson @jfstep.bsky.social · 01/04/2026
I'm looking for a lovely, talented PhD student, working on my ERC-funded project investigating the links between sexual selection and epidemic dynamics. The project uses guppies, worms, behaviour tracking, big experiments, and maths.. email me! Must have a masters! su.varbi.com/what:job/job...
su.varbi.com
Doktorand i sjukdomsekologi och partnerval
Zoologiska institutionen är en av de äldsta institutionerna vid Stockholms universitet med en lång historia av grundläggande och tillämpad forskning om djur, från leddjur till stora däggdjur. I
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