Bat Research Team
🦇Based at the @mnhn.fr, Team Chiro studies bat ecology, conservation, and the impacts of environmental change. Follow us for research updates, job offers, and the latest bat news!
Learn more: croemer3.wixsite.com/teamchiro
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- [NEW PAPER] What a surprising behavior ! 🦇Greater noctules (𝘕𝘺𝘤𝘵𝘢𝘭𝘶𝘴 𝘭𝘢𝘴𝘪𝘰𝘱𝘵𝘦𝘳𝘶𝘴) soar above 400 meters, using echolocation to chase and snatch nocturnal migratory passerines mid-flight—unlocking a high-altitude feast most predators can’t reach. #batresearch #bioacoustics
- 🦇If you want to learn more about the effects of light pollution on bats 💡, you can listen to the interview of one of the Team Chiro member, Lea Mariton, here
- [ NEW TEAM PAPER ] 🦇🎤 Passive acoustic monitoring of 𝗯𝗮𝘁𝘀 holds huge potential, but how do bat counts correlate with actual numbers? Which factors affect detectability? New metrics & models could revolutionize our understanding. Time to standardize protocols & share data! #BatResearch #Bioacoustics
- [NEW PAPER OUT] 🦇 𝗕𝗮𝘁𝘀 𝗮𝗱𝗷𝘂𝘀𝘁 𝘁𝗵𝗲𝗶𝗿 𝗳𝗼𝗿𝗮𝗴𝗶𝗻𝗴 𝗳𝗹𝗶𝗴𝗵𝘁 𝘀𝘁𝗿𝗮𝘁𝗲𝗴𝘆 𝗱𝗲𝗽𝗲𝗻𝗱𝗶𝗻𝗴 𝗼𝗻 𝘄𝗵𝗼 𝘁𝗵𝗲𝘆 𝗳𝗹𝘆 𝘄𝗶𝘁𝗵 ! A deep dive into optimal foraging theory and social foraging through this bat study: flight speed, tolerance to conspecifics, and adjustments in the presence of heterospecifics revealed via 3D tracking.
- Reposted by Bat Research TeamIn her review, Laura Stidsholt @bioacousticsau.bsky.social discusses how bat-borne acoustic devices are changing echolocation research in wild #bats by recording sensory & foraging behaviour across different species, habitats & levels of disturbance journals.biologists.com/jeb/article/...
- 🦇 The authors used a #bioacoustic approach to study movement decisions of a short range echolocator at the local scale in relation to landscape discontinuities, and modeled regional connectivity using circuit theory. Results were validated in the field and then compared with existing protected areas
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- [ 𝑹𝒆𝒑𝒓𝒐𝒅𝒖𝒄𝒊𝒃𝒊𝒍𝒊𝒕𝒚 𝒊𝒏 𝑨𝒄𝒐𝒖𝒔𝒕𝒊𝒄 𝑩𝒂𝒕 𝑹𝒆𝒔𝒆𝒂𝒓𝒄𝒉 ] "𝐶𝑜𝑛𝑠𝑖𝑠𝑡𝑒𝑛𝑡 𝑟𝑒𝑝𝑜𝑟𝑡𝑖𝑛𝑔 𝑜𝑓 𝑒𝑞𝑢𝑖𝑝𝑚𝑒𝑛𝑡 𝑎𝑛𝑑 𝑚𝑒𝑡ℎ𝑜𝑑𝑠 𝑖𝑠 𝑒𝑠𝑠𝑒𝑛𝑡𝑖𝑎𝑙 𝑓𝑜𝑟 𝑖𝑚𝑝𝑟𝑜𝑣𝑖𝑛𝑔 𝑡𝑟𝑎𝑛𝑠𝑝𝑎𝑟𝑒𝑛𝑐𝑦 𝑎𝑐𝑟𝑜𝑠𝑠 𝑠𝑡𝑢𝑑𝑖𝑒𝑠" Here, the authors propose a standardized framework for reporting methodological parameters to improve comparability, reproducibility, and transparency
- [ #bioacoustics ] 🌏 One of our team members participated to this large scale bio-acoustic project : 🏙️ "𝐀𝐭 𝐮𝐫𝐛𝐚𝐧 𝐬𝐢𝐭𝐞𝐬, 𝐚𝐧𝐢𝐦𝐚𝐥𝐬 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 𝐚𝐧 𝐢𝐧𝐜𝐫𝐞𝐚𝐬𝐢𝐧𝐠𝐥𝐲 𝐧𝐨𝐢𝐬𝐲 𝐛𝐚𝐜𝐤𝐠𝐫𝐨𝐮𝐧𝐝 𝐨𝐟 𝐬𝐨𝐮𝐧𝐝, 𝐰𝐡𝐢𝐜𝐡 𝐩𝐨𝐬𝐞𝐬 𝐜𝐡𝐚𝐥𝐥𝐞𝐧𝐠𝐞𝐬 𝐭𝐨 𝐞𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭 𝐜𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧" 🔉
- ⚠️ Our study published today alerts about the 𝐬𝐭𝐚𝐭𝐞 𝐨𝐟 𝐢𝐧𝐭𝐞𝐫𝐚𝐜𝐭𝐢𝐨𝐧𝐬 𝐛𝐞𝐭𝐰𝐞𝐞𝐧 𝐫𝐞𝐬𝐞𝐚𝐫𝐜𝐡𝐞𝐫𝐬 𝐢𝐧 𝐞𝐜𝐨𝐥𝐨𝐠𝐲 𝐚𝐧𝐝 𝐬𝐨𝐜𝐢𝐨-𝐞𝐜𝐨𝐧𝐨𝐦𝐢𝐜 𝐬𝐭𝐚𝐤𝐞𝐡𝐨𝐥𝐝𝐞𝐫𝐬⚙️ ⛔ Negative interactions include greenwashing, manufacture of doubt and abandonment of research topics❗ ✅ Solutions are discussed DOI : 10.1016/j.biocon.2025.111324
- [ 𝘽𝙖𝙩𝙨 𝙖𝙣𝙙 𝙇𝙞𝙜𝙝𝙩 𝙋𝙤𝙡𝙡𝙪𝙩𝙞𝙤𝙣 ] 🦇💡 After combining remote sensing and ecological modelling, this freshly published paper evaluate human residents’ acceptance of various street-lighting adjustments, aiming to identify the optimal lighting compromises in cities. www.nature.com/articles/s44...
- [𝑅𝑒𝑛𝑒𝑤𝑎𝑏𝑙𝑒 𝐸𝑛𝑒𝑟𝑔𝑦 𝑂𝑏𝑠𝑒𝑟𝑣𝑎𝑡𝑜𝑟𝑦 𝑀𝑒𝑒𝑡𝑖𝑛𝑔𝑠 - 𝑃𝑎𝑟𝑖𝑠] @andreasravache.bsky.social investigated 𝗳𝗮𝗰𝘁𝗼𝗿𝘀 𝗶𝗻𝗳𝗹𝘂𝗲𝗻𝗰𝗶𝗻𝗴 𝗯𝗮𝘁 𝗺𝗼𝗿𝘁𝗮𝗹𝗶𝘁𝘆 at wind farms 🦇 💀↗️ near forests or wetlands 🌳💧 💀↗️ with low turbine ground clearance 💀↘️ with turbine age⌛ 🛑 Curtailment measures ↘️ but do not eliminate mortality
- [𝑅𝑒𝑛𝑒𝑤𝑎𝑏𝑙𝑒 𝐸𝑛𝑒𝑟𝑔𝑦 𝑂𝑏𝑠𝑒𝑟𝑣𝑎𝑡𝑜𝑟𝑦 𝑀𝑒𝑒𝑡𝑖𝑛𝑔𝑠 - 𝑃𝑎𝑟𝑖𝑠] @elisesvlt.bsky.social identified a positive relationship between the acoustic activity of bats at wind turbine nacelle height and the number of fatalities 🦇 Further studies will aim to identify risk behaviors allowing to predict mortality.
- [𝑅𝑒𝑛𝑒𝑤𝑎𝑏𝑙𝑒 𝐸𝑛𝑒𝑟𝑔𝑦 𝑂𝑏𝑠𝑒𝑟𝑣𝑎𝑡𝑜𝑟𝑦 𝑀𝑒𝑒𝑡𝑖𝑛𝑔𝑠 - 𝑃𝑎𝑟𝑖𝑠] @fabien-verniest.bsky.social presented the 𝑪𝒉𝒊𝒓𝒐𝑬𝒐𝒍𝒉𝒂𝒃 project, that aims to assess the behavioural responses of bats to wind turbines, with a focus on comparing the role of the wake effect between different landscapes and seasons
- 🦇[ 𝑁𝐸𝑊 𝑃𝐴𝑃𝐸𝑅] 𝗘𝗳𝗳𝗲𝗰𝘁𝗶𝘃𝗲𝗻𝗲𝘀𝘀 𝗼𝗳 𝗔𝗰𝗼𝘂𝘀𝘁𝗶𝗰 𝗗𝗲𝘁𝗲𝗿𝗿𝗲𝗻𝘁𝘀 : - Variable between guilds - Higher mortality for eastern red bat in response to ultrasonic deterrents - Positive relation between fatalities and wind turbines rotation - No additional benefit over curtailment in reducing bat fatalities
- [Renewable Energy Observatory Meetings] 🦇 Charlotte Roemer presented the project 𝐂𝐚𝐫𝐭𝐨𝐂𝐡𝐢𝐫𝐨, aiming to inform spatial planning. Maps of areas of conservation priority for bats and maps of bat sensitivity to renewable energies will be produced to help stakeholders enhance bat conservation in France
- 🦇 Greater sac-winged bat pups acquire their vocal repertoire through a conspicuous vocal practice behavior reminiscent of babbling in human infants. Pups spend about 30% of their daily activity time babbling – and it turns out that mothers influence this behavior. elifesciences.org/articles/99474
- ❗[Job Opportunity]❗ 🦇 Sampling and banking of chiropteran acoustic data on the coast and at sea 📍 Concarneau, Brittany, FRANCE 📆 3 months, starting in June 📧 anais.pessato@mnhn.fr
- 🦇 During our annual meeting, "Team Chiro" spent three days presenting current challenges in our respective studies and sharing ideas to solve them. 🔎 We then formed working groups around common research questions. 🔽 More information below 🔽
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- 🦇 Early bird registrations are now open for the 20th International Bat Research Conference in Cairns in August! You can also now submit your abstracts for spoken and poster presentations. Check out www.ibrc.org for more info on the program!
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- 🦇 This 2023 study suggests that higher temperatures 🌡️ may promote more pointed wings in bats, providing an energetic advantage🔋 The geographical variation of forest cover 🌳 was also related to differences in wing functional traits in two species.
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- 🦇 [NEW PAPER] 🔎 The first economic estimate of bat ecosystem services for rice in the American continent was estimated between $3.39/ha and $8.03/ha 💲 www.sciencedirect.com/science/arti...
- 🦇 New acoustic method to quantify cave-dwelling bats. 📈 By enhancing the Tadarida classifier with local recordings, researchers achieved up to 98% accuracy. This first local use confirms that quantitative bat assessments are feasible with minimal effort, even in data-poor regions. #bioacoustics
- Reposted by Bat Research TeamSerotine. One of my favourite #bats! I have a PhD available, using new methods to find serotine roosts and understand movement patterns. Will help to develop a rabies vaccination strategy: a priority for people and bats! Pls share! www.surrey.ac.uk/bbsrc-wessex... @batconservation.bsky.social 🦤🌍🦇
- 🔎 Published this month in Science 🦇 Female common noctules largely took advantage of warm nights and favorable wind conditions, such as warm fronts providing wind support, to migrate to their maternity roosts. 🔗 www.science.org/doi/10.1126/...
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- 🦇Last paper by #TeamChiro is out! 90% of wind turbines approved in France are placed in areas critical for #bats, highlighting a failure to assess biodiversity significance. In this paper, we propose a modeling framework to promote a more biodiversity-friendly approach to renewable energy planning
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- 📖 Fresh out of the press 🦇 Nathusius' pipistrelles depart oversea with tailwinds, doubling speed to 16.8 m/s. They adapt to wind conditions by selecting favorable altitudes, up to 2,500 m. Study shows that migration is shaped by barrier effects, sex-biased timing, and the adaptive use of winds.
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- Reposted by Bat Research TeamHello @bsky.app ! Whether you are a bat enthusiast or just curious about our flying friends, we look forward to connecting with you on here. We plan to share the latest on our work and the wider bat conservation community too. Come back in 2025 for more regular content! #BatsNeedFriends
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