Reposted by Josh JahnerJoe Hanly @hanliconius.bsky.social · 27/09/2026Very pleased to share that we just released a new ref genome for Colias eurytheme and added the first genome for C philodice to NCBI. Both chrom-level, made with pacbio hi-fi and ci-fi (=pac bio chromatin reads). Both from MD. Please use and share widely, I’ll have a citable source preprinted soon. 2134
Reposted by Josh JahnerLandscape Stewardship Collective @landscollective.bsky.social · 24/09/2026Hello, Bluesky! 🌱 We’re Landscape Stewardship Collective, a new nonprofit connecting science with practical conservation & restoration. We translate genetic, ecological & climate information into practical decisions for land managers, seed growers & partners. landscollective.orglandscollective.orgLandscape Stewardship Collective | Restoration & ConservationLandscape Stewardship Collective provides research and practical guidance for native plant restoration, seed sourcing, species conservation, and land stewardship. 0158
Reposted by Josh JahnerBrian O'Meara @omearabrian.bsky.social · 08/09/2026Some resources and advice for those considering applying to the NSF GRFP this year (3 year grad school stipend: first year grad students, post-bachelor, and seniors might consider applying): brianomeara.info/posts/grfp_2... 🧪 #AcademicSky 22525
Reposted by Josh JahnerWilson Ornithological Society @wilsonornithsoc.bsky.social · 25/08/2026This week in "weird bird news," a bilateral gynandromorph Bobolink has showed up near Chigago. www.smithsonianmag.com/smart-news/a...smithsonianmag.comAn 'Extremely Rare' Half-Male, Half-Female Bird Temporarily Took Up Residence Outside of ChicagoThe unusual-looking bobolink is what's called a bilateral gynandromorph. The bird behaved like a male, eventually wooing a mate and raising fledglings 02910
Reposted by Josh JahnerAnonymous Potato @anonymouspotato.bsky.social · 05/08/2026EcoEvoJobs 2026-27 just opened for business and we've already got 79 faculty / permanent jobs listed. Please repost! ecoevojobs.netecoevojobs.netecoevojobs.net 2026-27 1176210
Reposted by Josh JahnerDr. Valentina Alaasam @vale-alaasam.bsky.social · 03/08/2026I am looking for PhD students and postdocs to join my lab at the University of Pittsburgh in Fall 2027. Anyone excited about urban evolution, hummingbirds, & community engagement, please reach out! And/or find me at #AOS2026 this week! More info here: www.valentina-alaasam.com 19698
Reposted by Josh JahnerCraig Jones @craig63jones.bsky.social · 01/08/2026Sometimes the butterfly gods smile down on you... A bilateral gynandromorph Common Blue at Grafton Wood, Worcs 1/8/26. @westmbms-99.bsky.social @worcswt.bsky.social @savebutterflies.bsky.social @ukbutterflies.bsky.social 618636
Josh Jahner @jpjahner.bsky.social · 28/07/2026www.abqjournal.com/news/the-las...abqjournal.comSearching for a butterfly that may no longer existExperts scour the Sacramento Mountains for the endangered checkerspot butterfly, last seen in the wild in 2022. Is it gone forever? 010
Reposted by Josh JahnerEvolution Students @ssegrad.bsky.social · 27/07/20261/4 In today's funding climate, every grant and fellowship matters. Based on feedback from our GSAC Community Check-In Survey, we're building a growing hub of graduate & postdoctoral funding opportunities and job boards to make them easier to find. 🧵 13641
Reposted by Josh JahnerStephen Heard @stephenbheard.bsky.social · 08/07/2026Nice post from Ken Hughes. Should you worry if your paper uses a strong hook to open the Introduction - but every other paper on the same topic uses the *same* strong hook?brushingupscience.comBeware the obvious opening sentenceIf you ever visit Mt St Helens in Washington, I’ve got a game you can play. Each interpretive sign that you come across is a new round. You drink win the round if the sign mentions May 18, 1980. It… 193
Reposted by Josh JahnerHanna Kokko @kokkonut.bsky.social · 11/06/2026Polymorphisms 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.orgEmergence time difference can create negative frequency dependence and maintain a colour polymorphism in Colias butterfliesAbstract. Many species of Colias butterflies show a female-limited colour polymorphism where the dominant Alba allele leads to white wings, faster developm 12413
Josh Jahner @jpjahner.bsky.social · 08/06/2026Our new paper documents highly variable hybridization outcomes across years in sulphur butterflies academic.oup.com/evolut/artic...academic.oup.comTemporal dynamics of color polymorphism and hybridization in Colias butterfliesAbstract. Investigations into the genetic basis of color polymorphism have played a key role in our understanding of genetic architecture and the evolution 054
Reposted by Josh JahnerJessi Rick @jessi-rick.bsky.social · 06/06/2026I'm recruiting a master's student for Fall 2026 to join my lab at The University of Arizona, to work on a project investigating the population genomics and hybridization dynamics of native and invasive leopard frogs in central Arizona! 🐸 🧬 Ad with details is posted below. 169
Reposted by Josh JahnerbioGraphic @biographic.bsky.social · 02/06/2026We've got a big feature out today (with gorgeous photographs) about the Ukrainian conservationists working to save a herd of bison from the ongoing Russian invasion. It's about the hope that conservation can offer in times of war, and the ways that animals' lives are entangled human geopolitics.biographic.comSaving Bison as Bombs Fall - bioGraphicAmid the destruction of war, Ukrainian conservationists remain determined to help a European bison herd persevere. 118562
Reposted by Josh JahnerTom Astle @tjalamont.bsky.social · 04/06/2026#Bugsky 🐙🌿 Shared with me by a fof in SoCal - this is a gynandromorph (both male & female) valley carpenter bee (Xylocopa sonorina). Females are black, males orange, so the extreme color dimorphism really stands out. Per Doug Yanega at UC Riverside, bee gynandromorphs he’s seen are mosaic instead— 332109631
Reposted by Josh JahnerAndrew Gelman et al. @statmodeling.bsky.social · 29/05/202615 new articles on statistical workflow! statmodeling.stat.columbia.edu/2026/05/29/1...statmodeling.stat.columbia.edu 15 new articles on statistical workflow! | Statistical Modeling, Causal Inference, and Social Science 04515
Reposted by Josh JahnerEvolution @journal-evo.bsky.social · 26/05/2026"Sixty Years Later, His Scientific Dream Comes True" Press from @ucanr.edu on “Temporal Dynamics of Color Polymorphism and Hybridization in Colias Butterflies," by Joshua P. Jahner and colleagues: ucanr.edu/blog/bug-squ... Read the original study: doi.org/10.1093/evol...ucanr.eduSixty Years Later, His Scientific Dream Comes True | Bug SquadImage 0115
Reposted by Josh JahnerJocelyn Poissant @jocelynpoissant.bsky.social · 22/05/2026Great to see this study by @sam-deakin.bsky.social and Anita Michalak published in Evolutionary Applications. Using genomic data from >750 caribou and hierarchical structure analyses, we show that genetic clusters do not align with current conservation units in western Canada doi.org/10.1111/eva.... 2138
Josh Jahner @jpjahner.bsky.social · 21/05/2026Attendees commandeer New Mexico Tech town hall to oppose proposed Socorro data center, solar array sourcenm.com/2026/05/20/a...sourcenm.comAttendees commandeer New Mexico Tech town hall to oppose proposed Socorro data center, solar array • Source New MexicoNew Mexico residents commandeered a town hall to oppose to a proposal to build a data center and solar array on 10,000 acres of nearby land. 010
Reposted by Josh JahnerSociety for the Study of Evolution @sse-evolution.bsky.social · 19/05/2026Join us at virtual #Evol2026 this Friday to hear from the finalists for the SSE Hamilton Award for Outstanding Student Presentation! This symposium is in 3 sessions starting at 11 am Eastern. 01612
Reposted by Josh JahnerGina Baucom @gbaucom.bsky.social · 18/04/2026👋 👋 SSE members, I hope you'll join me May 21 for the virtual SSE Presidential Symposium: Navigating Uncertainty: Individual Resilience and Collective Action in Evolutionary Biology Pls RT to help get the word out! 15137
Reposted by Josh JahnerSociety for the Study of Evolution @sse-evolution.bsky.social · 27/02/2026💬 In the second installment of The Evolution Exchange, retired NSF Program Officer Dr. Sam Scheiner returns to discuss how to craft a successful research proposal. Watch or read the transcript here: www.evolutionsociety.org/the-evolutio... 02316
Reposted by Josh JahnerAmanda V. Meuser @amanda-meuser.bsky.social · 30/03/2026I'm so so excited to share that the research I've done for my master's thesis is finally published in Molecular Ecology! ✨ We found that almost 1/3 of sampled Leuciscid minnows were hybrids 🐠 This includes hybrid crosses never before noted in scientific literature!! 🐟 doi.org/10.1111/mec....doi.orgExtensive Multi‐Species Hybridization Between Leuciscidae Minnow SpeciesAnthropogenic disturbances can disrupt ecosystems and alter species population dynamics. Interspecific hybridization is common between genetically related organisms, especially once reproductive barr... 052
Reposted by Josh JahnerSociety for the Study of Evolution @sse-evolution.bsky.social · 24/02/2026SSE is pleased to offer free virtual #Evol2026 registration to all SSE members residing in 152 countries and territories around the world including India, Brazil, Mexico, and Colombia. Request your free registration code today! www.evolutionsociety.org/index.php?mo... 12631
Reposted by Josh JahnerJessi Rick @jessi-rick.bsky.social · 23/01/2026Applications for this UA postdoc fellowship are due next week— please reach out if you’re looking for a conservation-focused postdoc and would be interested in working with me! 065
Reposted by Josh JahnerRandall Munroe @xkcd.com · 21/01/2026How long would you survive with no DNA? What the latest What If? video in collaboration with @minuteearth.bsky.social! www.youtube.com/watch?v=s3oL...youtube.comHow long would you survive with no DNA?YouTube video by xkcd's What If? 181098128
Reposted by Josh JahnerJessie Williamson @jlwilliamson.bsky.social · 16/01/2026The Wyoming Game & Fish Dept. is hiring two Black Rosy-Finch technicians to conduct alpine surveys in Wyoming's high elevation mountains during June 1st to Aug 31st 2026: www.governmentjobs.com/careers/wyom.... Spread the word!governmentjobs.comJob Opportunities | . 11416
Reposted by Josh JahnerAlex Fraik @akfraik.bsky.social · 14/01/2026Job alert: NOAA NWFSC & UW are looking for a postdoc (ASAP) in Seattle study foraging ecology of Cook Inlet beluga whales using eDNA. Genetics/ecology/eDNA experience preferred. Interested candidates reach out to kim.parsons@noaa.gov or rpkelly@uw.edu directly. #eDNA #ConsGen 21729
Josh Jahner @jpjahner.bsky.social · 22/12/2025I am recruiting a MS student in Biology at New Mexico Tech with an anticipated start date of Fall 2026 to work on the applied evolutionary genetics of wild populations with conservation or management concerns (butterflies, bighorn sheep). Please see the attached advertisement for more info. 01414
Reposted by Josh JahnerNeal Agarwal @neal.fun · 10/12/2025Made a site comparing the sizes of living things :) The great Julius Csotonyi spent 5 months painting over 60 illustrations for the site, no ai used > neal.fun/size-of-life/ 762653908
Reposted by Josh Jahnergavin jones @ecologyofgavin.bsky.social · 05/12/2025I’m recruiting a PhD and MSC student for fall 2026 working on the movement ecology and conservation of Mexican spotted owls in SW forests and rocky canyonlands. Exciting partnership with Los Alamos National Laboratory. Great vibrant lab group, high impact research! 🦉 gavinmjones.com/opportunities/gavinmjones.comOpportunities***PhD and MSc openings – Movement ecology and conservation*** I will periodically support graduate students, postdocs, and other staff through the Biology Department at the University of New… 49988
Reposted by Josh JahnerLiz Mandeville @lizmandeville.bsky.social · 24/11/2025I'm recruiting a new master's student for fall 2026 in my lab at Northern Michigan University @bionmu.bsky.social ! Students with interests in evolution of freshwater fish are encouraged to apply. Please see our lab website lizmandeville.github.io and the attached advertisement for more information.lizmandeville.github.ioMandeville LabFish are so delightfully weird. We study the evolutionary genetics and ecology of freshwater fishes, plus a few more things, at Northern Michigan University 13738
Reposted by Josh JahnerResources in Inclusive Evolution Education (RIE2) @inclusiveevoedu.bsky.social · 18/11/2025TL;DR We're looking for biology/evolution instructors in the US and Canada to test the impacts of inclusive evolutionary biology educational materials on undergraduate learning (you will be compensated). Pasting the official recruitment info in thread below. sunybuffalo.qualtrics.com/jfe/form/SV_...sunybuffalo.qualtrics.comQualtrics Survey | Qualtrics Experience ManagementThe most powerful, simple and trusted way to gather experience data. Start your journey to experience management and try a free account today. 1515
Reposted by Josh JahnerEryn McFarlane @erynmcfarlane.bsky.social · 19/11/2025Amanda Sabatino, @jpjahner.bsky.social and I have a new paper on @biorxiv-evobio.bsky.social. Amanda, in her undergraduate thesis work, found variation in Colias colour phenotypes is associated with different metrics of urbanization in Toronto. www.biorxiv.org/content/10.1...biorxiv.orgAnthropogenic factors explain wing colour variation in Colias (Lepidoptera: Pieridae) butterflies across the Toronto urbanization gradientHybridization, or interbreeding between two previously diverged populations, is increasing due to human influences on the environment. Rates of hybridization might be increasing particularly quickly a... 0127
Reposted by Josh JahnerBen Tumolo @bbtumolo.bsky.social · 28/10/2025Are you interested in an MS position in Stream Ecology? My lab (www.benjamintumolo.com) is recruiting a Master's student to join us at Northern Michigan University. 🐛🧪🕸️🍂🌊 Please get in contact if you are interested, and pass on this ad to anyone you know that might be! Apply by Dec 16 21719
Reposted by Josh JahnerJocelyn Poissant @jocelynpoissant.bsky.social · 16/10/2025New lab preprint by joint first authors Samuel Deakin and Anita Michalak 😀: Glacial history and landscape features shape the hierarchical population genetic structure of woodland caribou (Rangifer tarandus caribou) in western Canada www.biorxiv.org/content/10.1...biorxiv.orgGlacial history and landscape features shape the hierarchical population genetic structure of woodland caribou (Rangifer tarandus caribou) in western CanadaCaribou, listed as a species at risk across Canada, have experienced a wide range of evolutionary and selective pressures at multiple scales, from large-scale range shifts and recolonisations driven b... 121
Reposted by Josh JahnerMike Wiser @drmikewiser.bsky.social · 15/10/2025xkcd images I use in my classes: a thread When I teach phylogenetics (part 1): xkcd.com/1211/xkcd.comBirds and Dinosaurs 1249
Reposted by Josh JahnerJessie Williamson @jlwilliamson.bsky.social · 14/10/2025My lab is hiring a 2-yr hummingbird evolution and genomics postdoc and a 1-yr salaried research and lab tech. Both with full U. Wyoming benefits. Please spread the word! Info below. Best consideration date Nov 1, start dates early Spring 2026. 09685
Reposted by Josh JahnerThe Xerces Society for Invertebrate Conservation @xercessociety.bsky.social · 10/10/2025Join us for a free 3-day virtual symposium on firefly research & conservation! Each day will include 6 presentations & time for networking. Everyone interested in fireflies is invited! 🪲💡 🗓️Oct 28-30 at 9am PT / 12pm ET 🔗Register for this free event: us06web.zoom.us/webinar/regi... 03514
Reposted by Josh JahnerChris Moore @mutualismecology.bsky.social · 18/09/2025Dear evolution peeps, Did I dream this up, or was there a newer unified-type species concept paper/synthesis published in the past several years? I thought I read and studied one, but I can’t find it/any evidence that exists. Thank you for your help with my brain 😬 132
Josh Jahner @jpjahner.bsky.social · 17/09/2025We had a really great discussion in class about this paper today www.nature.com/articles/s41...nature.comFunctional synonymous mutations and their evolutionary consequences - Nature Reviews GeneticsSynonymous mutations, once deemed neutral, have been shown to influence gene expression and organismal fitness by affecting transcription, mRNA processing, translation and protein folding. In this Per... 130
Reposted by Josh JahnerScott P. Egan @scottpegan.bsky.social · 10/09/2025xkcd.com/3140xkcd.comBiology Department 2269
Reposted by Josh JahnerQuanta Magazine @quantamagazine.org · 03/09/2025At 26, during the Reign of Terror in France, Jean-Baptiste Joseph Fourier narrowly avoided the guillotine. A decade later, he made a discovery that changed mathematics forever. @shalmawegs.bsky.social reports: www.quantamagazine.org/what-is-the-...quantamagazine.orgWhat Is the Fourier Transform? | Quanta MagazineAmid the chaos of revolutionary France, one man’s mathematical obsession gave way to a calculation that now underpins much of mathematics and physics. The calculation, called the Fourier transform, de... 45821
Reposted by Josh JahnerNature @nature.com · 30/08/2025For some three billion years, unicellular organisms ruled Earth. Then, around one billion years ago, a new chapter of life began go.nature.com/4lPmznSgo.nature.comHow did life get multicellular? Five simple organisms could have the answerNature - Single-celled species that often stick together in colonies have researchers rethinking the origin of animals. 09622
Reposted by Josh JahnerSam Yeaman @samyeaman.bsky.social · 20/08/2025I'm looking to recruit a PhD student to study patterns of local adaptation and introgression across the spruce hybrid zone in the Rockies near Calgary. Projects can include field work, bioinformatics, pop gen theory, or comparison to plant/ conifer species yeamanlab.weebly.com/uploads/5/7/... 26675
Reposted by Josh JahnerEryn McFarlane @erynmcfarlane.bsky.social · 13/08/2025Shirley Chen's paper from my lab on the dilution and amplification hypotheses regarding the biodiversity-disease relationship. onlinelibrary.wiley.com/doi/10.1002/...onlinelibrary.wiley.comReappraisal of the Dilution and Amplification Effect Framework: A Case Study in Lyme DiseaseThe biodiversity–disease relationship posits two hypotheses: the dilution effect (where there's a negative relationship between biodiversity and disease risk) and the amplification effect (where ther... 2105
Reposted by Josh JahnerSarah W. Fitzpatrick @swfitz.bsky.social · 11/08/2025Excited to share our new paper led by @alexlewanski.bsky.social showing largely positive, multi-decadal consequences of translocations in Red-cockaded woodpeckers at Avon Park Air Force Range in central Florida: www.pnas.org/doi/10.1073/... press release: www.eurekalert.org/news-release... 47723
Reposted by Josh JahnerTrevor Faske @trevorfaske.bsky.social · 30/07/2025Very excited to have our study come out looking at multiple plant mosaic hybrid zones and their implications for hybrids to act as "sutures" of species ranges. We use genomic data to project shifts into future climates and discuss impacts on conservation/management. www.pnas.org/doi/10.1073/... 0209
Reposted by Josh JahnerLiz Mandeville @lizmandeville.bsky.social · 23/07/2025I'm thrilled to share more cool fish genetics, led by former MSc student Amanda Meuser, and with former student Amy Pitura and collaborator @erynmcfarlane.bsky.social. This one is about minnow hybrids! www.biorxiv.org/content/10.1...biorxiv.orgExtensive multi-species hybridization between Leuciscidae minnow speciesAnthropogenic disturbances can disrupt ecosystems and alter species population dynamics. Interspecific hybridization is common between genetically related organisms, especially once reproductive barri... 11810