Clemens Küpper
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chorlnev.bsky.social
Clemens Küpper
@chorlnev.bsky.social
350 followers 260 following 88 posts
Interested in Biodiversity and why there is so much variation out there. Evolution, Genetics, Behaviour, Ecology, Conservation, nowadays also Physiology. Studying Waders/Shorebirds. Currently at Max Planck BI.
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chorlnev.bsky.social
Clemens Küpper @chorlnev.bsky.social · Jan 24
A wonderful team effort to characterize the actions of HSD17B2, a gene that helps some #ruff males to dial down their testosterone levels, got published @science.org (1/n)
science.org Science Magazine @science.org · Jan 23
A single gene underlies male mating morphs in ruff sandpipers, a new Science study finds. The results show how evolutionary changes in a single gene's structure, sequence, and regulation can drive significant diversity within a single species.

Learn more in our new issue: https://scim.ag/4arzNmU
A breeding ruff male (Calidris pugnax) in alert posture scans the breeding area for mating opportunities at Liminka Bay, Finland. Ruff males deploy one of three mating tactics that differ in aggressive and courtship behaviors. Differences in aggression between tactics are tied to concentrations of circulating androgens, which are modulated by the actions of a single gene.
chorlnev.bsky.social
Smart and undeniably true...
October 22, 2025 at 12:59 PM
Reposted by Clemens Küpper
migecol.bsky.social
We’re hiring a doctoral researcher in the area of migration ecology.
The work will focus on the question of how and when migratory songbirds learn where their home is using #Motus.
Part of the Cluster of Excellence NaviSense and linked with @sfb1372.bsky.social

uol.de/job788en

#ornithology
October 20, 2025 at 10:13 AM
Reposted by Clemens Küpper
mpiforbi.bsky.social
3 days left to apply for our emerging scientist talk series!!
www.bi.mpg.de/ess
mpiforbi.bsky.social MPI for Biological Intelligence @mpiforbi.bsky.social · Sep 19
Apply now to become a speaker at our Institute! We invite excellent postdocs in neuroscience, ecology and other fields related to our research to apply for our Emerging Scientist Talk Series. Apply by October 24: www.bi.mpg.de/ess

@chr-mayer.bsky.social @fleyes.bsky.social @michaelahau.bsky.social
October 21, 2025 at 9:12 AM
Reposted by Clemens Küpper
sheldonbirds.bsky.social
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...
Examples of some recent papers from graduate students in my group - a full list of recent papers and preprints can be found here (https://scholar.google.co.uk/citations?hl=en&user=pTdxVdIAAAAJ) and profile of the group here: https://egioxford.web.ox.ac.uk/members The annual Wytham Field Team Photo! Celebrating a successful field season with great food & good company - May 2025 Front view of the Life & Mind Building, which opened in Oct 2025: The new home of Biology at Oxford
October 20, 2025 at 7:44 PM
Reposted by Clemens Küpper
mpiforbi.bsky.social
What is the genetic basis of bird migration? Find out in our next keynote lecture by Miriam Liedvogel @genmig.bsky.social, Professor of Ornithology at the Uni Oldenburg and Director of the Institute of Avian Research!

📍October 21 at 11am in House 4 in Seewiesen
Art by @somedonkey.bsky.social
October 16, 2025 at 3:29 PM
chorlnev.bsky.social
Looks like a mesmerizing new paper!
fusanilab.bsky.social fusanilab @fusanilab.bsky.social · Sep 29
Amazing riflebirds! We did not dare to write that males 'mesmerize' females with their spectacular displays, but .... judge yourself!
Photo by Thomas MacGillavry
www.cell.com/current-biol...
@thomasmacgillavry.bsky.social @klivvvienna.bsky.social @univie.ac.at
September 29, 2025 at 4:12 PM
chorlnev.bsky.social
The diversity in plumage and behaviors of #ruffs is stunning and probably an underused asset for their #conservation @simonvandepitte.bsky.social #IWSG2025 #shorebirds #ornithology
September 28, 2025 at 3:04 PM
chorlnev.bsky.social
Something to look for in #wader nests. Blue eggs are becoming increasingly common in #ruff clutches @jellybb.bsky.social #IWSG2025 #shorebirds #conservation
September 28, 2025 at 3:00 PM
Reposted by Clemens Küpper
waderstudy.bsky.social
Want to join our flock? Everyone is welcome irrespective of their age, ethnicity, gender, sexuality, nationality or socio-economic status
#waders #shorebirds #ornithology

Find out more ➡️ www.waderstudygroup.org/join-us/
September 23, 2025 at 6:32 PM
Reposted by Clemens Küpper
diegogil.bsky.social
Looking for enthusiastic candidates with training in behavioural ecology and experience in bird fieldwork. MSc also required!
behavecol-lab.bsky.social Behavioral Ecology and Endocrinology Lab @behavecol-lab.bsky.social · Sep 19
Please share!🙏
🚨 PhD Oportunity in Avian Behavioural Ecology in Spain
The BirdBond Project (MNCN & IREC) studies how pair bonds form, change & affect reproduction/survival in the spotless starling 🐦
September 21, 2025 at 9:45 AM
Reposted by Clemens Küpper
mpiforbi.bsky.social
Apply now to become a speaker at our Institute! We invite excellent postdocs in neuroscience, ecology and other fields related to our research to apply for our Emerging Scientist Talk Series. Apply by October 24: www.bi.mpg.de/ess

@chr-mayer.bsky.social @fleyes.bsky.social @michaelahau.bsky.social
September 19, 2025 at 6:08 AM
chorlnev.bsky.social
Schönheit allein ist nicht unbedingt attraktiv. Attraktivität ist vielschichtig, zumindest bei Kampfläufern. (Und vermutlich auch bei vielen anderen Tieren.) www.bi.mpg.de/2778645/news...
Schön ist anders
Bunte Farben, prächtige Federn – doch am Ende erwählen weibliche Zebrafinken und Kampfläufer nicht den Schönsten, sondern den mit dem besten Auftritt oder der cleversten Strategie. Wolfgang Forstmeier...
www.bi.mpg.de
September 18, 2025 at 11:17 AM
chorlnev.bsky.social
A good reminder that global challenges, as daunting as they are, can be resolved.
September 11, 2025 at 11:04 AM
Reposted by Clemens Küpper
paniw.bsky.social
Our new study shows that, for the three vastly different examples and 38 other species, the way how survival & reproduction respond to threats is also vastly different! But, overall, populations fluctuate strongly when several climatic variables change in tandem: doi.org/10.1093/pnas...
Comparative life-cycle analyses reveal interacting climatic and biotic drivers of population responses to climate change
Abstract. Responses of natural populations to climate change are driven by how multiple climatic and biotic factors affect survival and reproduction, and u
doi.org
September 9, 2025 at 7:59 AM
Reposted by Clemens Küpper
mpiforbi.bsky.social
We might be nerdy, but we’re definitely fast! At the #B2Run Munich, 60 employees of the @mpibiochem.bsky.social ochem.bsky.social and @mpiforbi.bsky.social sky.social laced up their running shoes and showed the world that scientists can be seriously fit, despite spending a lot of time in the lab!
July 18, 2025 at 4:36 PM
Reposted by Clemens Küpper
drgodwit.bsky.social
1/Spring bird migration is getting earlier, right? Not necessarily! In our latest paper, led by former lab MSc student Lauren Puleo, we found that a population of Hudsonian Godwits breeding in Alaska is now arriving 6 days later than they were a decade ago. royalsocietypublishing.org/doi/10.1098/...
Flexibility in the face of climate change? A rapid and dramatic shift towards later spring migration in Hudsonian godwits (Limosa haemastica) | Proceedings of the Royal Society B: Biological Sciences
With rapid environmental change, shifts in migration timing are vitally important for population stability in migratory species and have been widely documented. However, little remains known about how...
royalsocietypublishing.org
July 17, 2025 at 3:16 PM
Reposted by Clemens Küpper
mpiforbi.bsky.social
Come join our next talk in the "Emerging Scientist Series"! @marwakavelaars.bsky.social is a Postdoc @humboldtuni.bsky.social and will speak on decision-making in a complex world.

📍July 25th at 11am in House 4 in Seewiesen
Art by @somedonkey.bsky.social
Illustrated poster with the talk title and speaker name on it.
July 10, 2025 at 8:31 AM
chorlnev.bsky.social
Belated but wonderful news: Kriszti Kupán has won a 3-year grant from the Bauer-Hollmann Stiftung for monitoring and developing an integrative #conservation management approach for threatened #ruffs and #dunlins at #Liminganlahti! 🥚🎉🐣
July 9, 2025 at 7:37 AM
Reposted by Clemens Küpper
simonvandepitte.bsky.social
5/5 In addition, a huge effort is made to protect the #critically #endangered southern #dunlin. With expertise of Vroni Rohr-Bender and others, 26 chicks got an advantage be growing up in our aviary, before they got released back in the meadows, hopefully successfully #boosting the #population.
July 6, 2025 at 12:22 PM
Reposted by Clemens Küpper
simonvandepitte.bsky.social
4/5 Most time of the field season was spent searching for nests and to ringing the #chick and #adult ruffs. We found 65 nests in total which is an excellent result. Adult birds also got a radio or #GPStag to investigate #habitat use and behaviour. Aren't the chicks cute?
July 6, 2025 at 12:22 PM
Reposted by Clemens Küpper
simonvandepitte.bsky.social
3/5 Independent males have striking colours and are #aggressive. #Satellite males are mostly white coloured and have more #sneaky behavior. Female-looking faeders are extremely rare.

Here an independent male is pecking a satellite to show its dominance.

More:
simonvandepitte.com/i-am-sexy-an...
July 6, 2025 at 12:22 PM
Reposted by Clemens Küpper
simonvandepitte.bsky.social
2/5: Fieldseason started in early May when the #ruffs arrived in the coastal meadows of the #BothnianBay. Male ruffs are known for their fascinating #lekking #behavior! A true spectacle! The existence of the different male morphs is unique.
July 6, 2025 at 12:22 PM
Reposted by Clemens Küpper
simonvandepitte.bsky.social
1/5 - What.an.increadible.fieldseason! Together with @koivulakari.bsky.social , @jelenasubotic.bsky.social , @chorlnev.bsky.social , @vmpakanen.bsky.social, Kristzi Kupan, Vroni Rohr-Bender and others we managed to find plenty of ruff nests (65!) and headstarted a bunch of Southern Dunlins (26!).
July 6, 2025 at 12:22 PM
Reposted by Clemens Küpper
jeroen-reneerkens.bsky.social
Shorebird chicks are hatching here in Greenland!

This year, egg predation has been intense, especially on Turnstone clutches, so every successful hatch feels extra special. This Turnstone male brooded its four chicks right next to my phone. A bit too close maybe...
July 4, 2025 at 11:46 PM
chorlnev.bsky.social
Challenge accepted. And now, minutes later I only managed to find one 🐥
gomezserrano-ma.bsky.social Miguel A. Gómez-Serrano @gomezserrano-ma.bsky.social · Jul 4
Kentish Plover chicks are masters of camouflage.
Can you spot it?
#plovers #shorebirds #waders
July 4, 2025 at 4:08 PM