Reposted by Clemens KüpperMiguel A Gómez Serrano @gomezserrano-ma.bsky.social · 20/09/2026¿Os acordáis de la singular historia de este Chorlitejo patinegro? hilo 👇🧵 Pues tiene un final feliz. Justo un año después de su liberación, ha vuelto a ser avistado en el mismo lugar de la Albufera de València. 🧐 Estad atentos a la anilla CY por vuestras zonas de pajareo. 1207
Reposted by Clemens Küpperliedvogel lab @genmig.bsky.social · 11/09/2026hello wonderful network, especially all of you in the #Doñana region - we are looking for someone who could check the island specified in Sandra's thread for a GPS logger and gull-billed tern chick that has died on an island in this area. please share in your networks to multiply our chances 035
Clemens Küpper @chorlnev.bsky.social · 29/09/2026‼️Now published @evolletters.bsky.social Developmental differences between males and females alter the sex ratio. 🐥🧵 about this study 1/9 13218
Clemens Küpper @chorlnev.bsky.social · 22/06/2026More information on how flooding affects the breeding success of threatened Baltic #dunlins in this informative blog post. 140
Clemens Küpper @chorlnev.bsky.social · 22/06/2026Strong winds resulted in flooding of the last remaining #ruff clutches that were close to hatching at Bothnian Bay. A week earlier and the consequences would have been catastrophic. Flood risk increases with climate change and is a concern for Baltic #waders: www.sciencedirect.com/science/arti... 050
Clemens Küpper @chorlnev.bsky.social · 22/06/2026An ethogram for #ruff chicks showing age-related changes in social and other behaviors. Results from a master thesis by @uditnair.bsky.social and PhD chapter from Veronica Rohr-Bender. 061
Reposted by Clemens KüpperAlice Boyle @birdfiddler.bsky.social · 10/06/2026#NewPaperAlert! This one has a massive author list and has been a LONG time in coming, but is SO COOL! First, check out the first figure to get you interested! Manakins! Fruit! Sexual-selection in action (displays and Z:A chromosomal diversity)! Read on for the back story & link 1/n 18844
Clemens Küpper @chorlnev.bsky.social · 18/06/2026Boomer year for #ruffs at Bothnian Bay. An incredible 88 nests at our study sites hatched so far, as predation and flooding have been unusually low. #ornithology #conservation #waders 0122
Reposted by Clemens KüpperBritish Ornithologists’ Union (BOU) @bou.org.uk · 15/06/2026🔈 NOMINATIONS OPEN Know someone in #ornithology deserving of recognition? Nominate them for a BOU award now! 🪶 🥇 Godman Salvin Prize 🥇 Alfred Newton Lecture 🥇 Janet Kear Union Medal 🥇 Early Professional Award Deadline: 15 September 2026 Nominate: bou.org.uk/about-the... 🪶 01517
Clemens Küpper @chorlnev.bsky.social · 14/06/2026One person's wealth equals the wealth of 46% of all living humans combined. Inequality is the largest threat to democracy: www.oxfam.org/en/press-rel...oxfam.orgSoon-to-be trillionaire Elon Musk's wealth grew by over $1 million per minute in the last year | Oxfam International 054
Reposted by Clemens KüpperBTO | British Trust for Ornithology @btobirds.bsky.social · 11/06/2026We have ambitious plans to help breeding wader recovery from finding solutions to improve nest and chick survival to using tracking technology to compare breeding success in different areas. You can help us achieve them by donating via www.bto.org/breeding... Thank you. #Ornithology 03012
Reposted by Clemens KüpperNathan Senner @drgodwit.bsky.social · 12/06/2026In a rapidly changing world, site fidelity can be a trap. In our new paper in Movement Ecology, however, we find that stopover site fidelity by Whimbrel is associated with high flexibility in their local-scale habitat use. Awesome work by Maina Handmaker & folks at South Carolina DNR! rdcu.be/fn1EE 0144
Reposted by Clemens KüpperIlko-Sascha Kowalczuk @ilkokowalczuk.bsky.social · 12/06/2026AfD-Funktionäre, BSW-Funktionäre und Holger-Friedrich-Funktionär trafen sich in der letzten Woche zu Gesprächen mit hochrangigen Vertretern des Putin-Regimes, darunter auch FSB-Mitarbeiter. 018268
Reposted by Clemens KüpperNathan Senner @drgodwit.bsky.social · 10/06/2026@dunlin.bsky.social is such a deserving winner! He has been a huge force in the conservation of birds along the Pacific Coast for decades. Not to mention being a great mentor to many, many people. Congrats, Nils!! 132
Clemens Küpper @chorlnev.bsky.social · 10/06/2026This season we introduced thermal drones into our fieldwork to find and monitor #ruff and #dunlin nests at #Liminka Bay. It has been a relevation, so far we found twice the number of #ruff nests in a third of the time! For the privileged drone pilots, fieldwork is now done from a comfortable chair! 2186
Clemens Küpper @chorlnev.bsky.social · 07/06/2026#Wader breeding season on Baltic coastal meadows at Liminka Bay 🇫🇮. We have found record numbers of #ruff clutches this year. Many any of them contain again one or more blue eggs. Fortunately, current predation rates are very low 🤞 #ornithology #eggblue 0141
Clemens Küpper @chorlnev.bsky.social · 02/06/2026Perfect timing for this picture. Ruff lekking is in full swing with their stunning display garnering a lot of attention (not only from ruff females). Unfortunately, ruffs have gone missing from many places across Europe as their breeding habitat, coastal meadows, are vanishing. 030
Reposted by Clemens KüpperBert Sgroggins @bsgroggins.bsky.social · 01/06/2026Spot the Plover competition time. Ringed Plover on the nest, this is next to the main track, there are many more isolated small bays in the area which I will not visit. #DoNotDisturb *To make it easy, Plover is centre of frame. #ukwildlife #wildlifephotography #birdphotography #UKbirding #ukbirds 1133
Reposted by Clemens KüpperSusan Johnston @susanjohnston.bsky.social · 01/06/2026📣🧬 Postdoc Alert🧬📣 We are hiring a 2+ year NERC-funded postdoc at Edinburgh Uni investigating causes and consequences of sex differences in recombination in house sparrows in Norway. Informal enquiries welcome at Susan.Johnston@ed.ac.uk 🙂 Details here: elxw.fa.em3.oraclecloud.com/hcmUI/Candid... 071115
Clemens Küpper @chorlnev.bsky.social · 31/05/2026Incubating Kentish plover female blending perfectly into the environment. Honestly, despite having found hundreds of plover nests in the past, I would have not spotted this one. #birds #camouflage 110
Reposted by Clemens KüpperDr. Susanne Hoffmann @susannehoffmann.bsky.social · 30/05/2026Do you want to know if birds can use hair-like feathers as high-frequency sound receptors during echolocation? Join our team as PhD student or postdoc and find out! ⬇️ www.bi.mpg.de/2809383/job_... 15935
Clemens Küpper @chorlnev.bsky.social · 25/05/2026Testosteron ist kein Wundermittel für bessere Männlichkeit, sondern ein extrem wirkungsvolles Steroid, dass man nicht einfach als life style enhancer schlucken sollte: www.br.de/nachrichten/...br.deGefährliche Selbstoptimierung: Testosteron als Lifestyle-BoosterTestosteron wird auf Social Media als Wundermittel für Muskeln, Energie und Libido beworben. Doch Ärzte warnen: Wer das Hormon ohne echten Mangel nimmt, riskiert Herzprobleme, Unfruchtbarkeit und Thro... 010
Reposted by Clemens KüpperEmily H. DuVal @emilyhduval.bsky.social · 24/05/2026May 23, 2006 is the hatch date of the world's most famous lance-tailed manakin. PXVm has starred in Netflix's 'Dancing with the Birds', and been highlighted for years by the Cornell Lab Manakin Cam. How do you celebrate such a momentous day? By dancing! Here he is today, with his current beta GSGm: 05418
Clemens Küpper @chorlnev.bsky.social · 08/05/2026Testosterone therapy is trending www.nature.com/articles/d41... I struggle to understand how testosterone therapy can be considered as a solution for today's problems. Reminder that #ruffs have found a better solution a few million years ago: www.science.org/doi/10.1126/...nature.comTestosterone therapy is trending. Who really needs it, and why?Some clinicians are pushing to broaden testosterone use, but there is debate about its benefits and risks. 130
Reposted by Clemens KüpperSara Lipshutz (she/her) @jacanamama.bsky.social · 01/05/2026Interested in a PhD working on sexual selection in tropical shorebirds? I'm recruiting a student for Fall 2027! I'm happy to support an applicant writing a Simons Graduate Fellowship in Ecology & Evolution: www.simonsfoundation.org/grant/simons...simonsfoundation.orgSimons Graduate Fellowships in Ecology and EvolutionThe purpose of these awards is to provide support for students entering U.S.-based Ph.D. programs with a plan to perform research in ecology and evolution. While we will consider all projects in ecolo... 03042
Reposted by Clemens KüpperInternational Wader Study Group @waderstudy.bsky.social · 26/04/2026Registration is now OPEN for our 2026 conference in Spain 🇪🇸 www.waderstudygroup.org/conferences/... 074
Reposted by Clemens KüpperAndres Bendesky @bendeskylab.com · 17/04/2026Many wild populations are fragmenting and declining, leading to inbreeding. We are studying how animals avoid inbreeding and the consequences of inbreeding an in a >20 year study of >20,000 wild mice with whole genomes. We are recruiting a postdoc at Columbia and two PhD students in U Zurich. 02524
Reposted by Clemens KüpperMaria Servedio @servedio.bsky.social · 17/04/2026Kuangyi Xu, a current EEB postdoc at UToronto and a former student in my lab, spearheaded this new dissection of the lek paradox. It often doesn't hold! www.pnas.org/doi/10.1073/...pnas.orgWhen sexual selection through mate choice depletes versus exaggerates genetic variation: Unraveling the lek paradox | PNASThe evolution of female preferences for male display traits relies on females receiving indirect benefits from their mate. This requires substantia... 0168
Reposted by Clemens KüpperJente Ottenburghs | Avian Hybrids @jenteo.bsky.social · 15/04/2026Your daily Avian Hybrids story! Stuck in a Ruff: Having a supergene is not always super avianhybrids.wordpress.com/2022/08/24/s... #ornithologyavianhybrids.wordpress.comStuck in a Ruff: Having a supergene is not always superFemale Ruffs with a large inversion have lower reproductive success. 0122
Clemens Küpper @chorlnev.bsky.social · 06/04/2026#Shorebird eggs are optimised for camouflage and each one is a unique piece of art. Thee eggs are coloured by the females individually (who probably inspired the #Easter 🐇). Our annual "egg hunt" at Liminka Bay, Finland, searching for hidden #ruff and #dunlin 🪺 will soon start again. #ornithology 0226
Clemens Küpper @chorlnev.bsky.social · 01/04/2026Nest failure in threatened #shorebirds has many reasons. Replacing eggs of vulnerable clutches with dummy eggs boosts nest survival of #Ruffs in grazed coastal meadows. New paper out 🎉 dx.doi.org/10.1002/ece3... in @ecol-evol.bsky.social #conservation #ornithology 1188
Reposted by Clemens KüpperCurlew Action @curlewaction.bsky.social · 31/03/2026Mary Colwell and Prof Jenny Gill explore gender bias in fieldwork in our latest blog. Read it now: www.curlewaction.org/the-joke-tha... 33222
Reposted by Clemens Küpperc0nc0rdance @c0nc0rdance.bsky.social · 28/03/2026Becca Wood captures amazing video of Sharp-tail grouse (Tympanuchus phasianellus) males demonstrating their sexy dance, which involves moving legs up & down more than 20 times per second, inflating purple neck sacs, tails behind them like a flag. They're native to Canada & central plains of the US. 216738
Clemens Küpper @chorlnev.bsky.social · 25/03/2026Resting Snowy Plover male in deep thoughts about life and everything. He has this slightly annoyed expression, probably was thinking about humanity. #ornithology 091
Reposted by Clemens KüpperMPI for Biological Intelligence @mpiforbi.bsky.social · 08/03/2026✨ Happy International Women’s Day. ✨ Today, we celebrate the power, courage, and impact of women around the world. Let’s continue to create space where women feel seen, valued, and unstoppable. May we continue to challenge stereotypes, support one another, and inspire the next generation. 1177
Reposted by Clemens KüpperNathan Senner @drgodwit.bsky.social · 06/03/20261/ Remember when Ted Cruz went to Cancún as the Texas power grid failed? It wasn't just the people of TX left behind, it was also the wildlife. Out now @natecoevo.nature.com, our paper led by @mstager.bsky.social & @treeswallows.bsky.social documents how bad the storms were for birds. rdcu.be/e7aUy 11914
Reposted by Clemens KüpperMigration Ecology Group @migecol.bsky.social · 05/03/2026New Paper alert 📄 Rüppel et al. 2026 - "movetrack: An R package to model flight paths from radio-telemetry networks" -> this makes it possible to transform station-based radiotelemetry data into actual flight path, validated with a plane flight. besjournals.onlinelibrary.wiley.com/doi/10.1111/... 02920
Reposted by Clemens KüpperConservation Biology Göttingen @consbiogoe.bsky.social · 05/03/2026Ready to start your own lab? Interested in #GlobalChange,#Biodiversity and #Ecosystem#Resilience? Join us in Göttingen - we are looking for a (female) Junior Research Group Leader in #EcologicalNovelty. Attractive conditions, see euraxess.ec.europa.eu/jobs/415857 - please share widely if you can! 01712
Reposted by Clemens KüpperJenny Tung @jennytung.bsky.social · 05/03/2026Leipzig U and the MPI for Evolutionary Anthropology (MPI-EVA) have an open faculty position (W2) in evolutionary population genetics! This position is tenured and comes with generous core funding. We are eager to welcome a new colleague! Deadline March 11. www.uni-leipzig.de/en/newsdetai...uni-leipzig.deProfessorship in population genetics in the field of evolutionary anthropology and medicine (W2)Faculties & Facilities 06098
Reposted by Clemens KüpperGroningen Institute for Evolutionary Life Sciences @gelifes.bsky.social · 05/03/2026📢 Hiring: Tenure Track Professor of Flyway Ecology & Scientific Director of BirdEyes, the Centre for Global Ecological Change Apply before 31 Mar 👇 werkenbij.rug.nl/vacature/ten... #Hiring #Vacancy #ScienceJobs #SciCommwerkenbij.rug.nlTenure Track Assistant/Associate/Full Professor Flyway Ecology, Scientific Director of BirdEyes, Centre for Global Ecological Change - Rijksuniversiteit Groningen 1920
Reposted by Clemens KüpperWader Quest @waderquest.bsky.social · 27/02/2026Job Alert Help monitor breeding Black-tailed Godwits at WWT Welney • Colour-ring reading • Nest monitoring • Trail cameras • Predator surveys Closing date: 6 March Photo © Astrid Kant More details here!! vacancies.wwt.org.uk/vacancies/77... Be #inspired by #waders or #shorebirds 031
Reposted by Clemens KüpperMiguel A Gómez Serrano @gomezserrano-ma.bsky.social · 27/02/2026When pets devour biodiversity. My new article on the European edition of @uk.theconversation.com about the impacts of pet-wildlife interactions and the opportunities for their legal regulation in the EU. theconversation.com/our-pets-are.... Related paper: www.sciencedirect.com/science/arti... 12719
Clemens Küpper @chorlnev.bsky.social · 27/02/2026Congratulations 🥂, Dr. Hanna Algora! Thesis on nesting ecology featuring Finnish #waders, ruffs and dunlins, defended convincingly today. Another fledgling 🪺🐦🐣 from @oulu.fi and @mpiforbi.bsky.social 1103
Clemens Küpper @chorlnev.bsky.social · 11/02/2026Really grateful to be able to interact and work with some of these #WomenInScience, they are wonderful colleagues. Our research has benefited immensely from their unique perspectives. 061
Reposted by Clemens KüpperInternational Bio-Logging Society @ibiols.bsky.social · 02/02/2026The Leibniz Institute for Zoo and Wildlife Research (Leibniz-IZW) is seeking a scientist in wildlife biology, ecology, or a closely related discipline, with a focus on movement ecology, spatial data analysis, and/or scavenger and carnivore systems. Read and apply here: tinyurl.com/mr3x7uwk 01832
Reposted by Clemens KüpperHelen Hipperson @hhippers.bsky.social · 10/02/2026Join us in Sheffield this April to celebrate 70 years of the Ecological Genetics Group Abstract submission is closing soon! 034
Reposted by Clemens KüpperNathan Senner @drgodwit.bsky.social · 10/02/2026Please repost! We are looking for two field technicians to work on our deer mouse project in the Colorado Rockies this spring-fall. Learn about physiology, ecology, and evolution, all in one project! Not to mention that you get to be in the ⛰️. Reach out if you have any questions. 02032
Clemens Küpper @chorlnev.bsky.social · 11/02/2026Shout out to Lisa, who has been an amazing fieldworker over the last few years at our field site at #Liminganlahti, Finland. On this picture, she is (probably) returning freshly hatched #Ruff chicks to their nest after ringing. #WomenInScience #ornithology #conservation 0102
Reposted by Clemens KüpperMPI for Biological Intelligence @mpiforbi.bsky.social · 04/02/2026Who benefits from mating with multiple partners? Darwin suspected that in some cases, it may be the females rather than the males. A new long-term study on African coucals shows: when males provide all parental care, females can have more offspring by competing for and mating with multiple partners. 1156