Frapp - Comment une équipe aide la chouette effraie (et les paysans)
La chouette effraie était en voie de disparition. Aujourd'hui, 10'000 individus peuplent le Plateau suisse, notamment grâce à l'aide d'agriculteurs fribourgeois.
The owl: an animal of symbolism and superstition
CQFD, At the Barn Owl, the most supportive pairs are better at helping the young take flight
2025
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Radio rts "Drôle d'époque"
Interview with Alexandre Roulin, professor at the University of Lausanne, on Drôle d'époque. Link
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Full-scale broadcast
Meet nature lovers during an outdoor escape: that's the idea behind this bimonthly event organised by Prise de Terre. Today, Alexandre Roulin, biologist, orn…
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Postcard: the common swift
The common swift: the undisputed champion of ultra-trail running! It spends its entire life in flight, landing only to incubate its eggs. Lucile Solari intervie…
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“The Owls of Peace”: Could This Project Work in Ukraine?
The “Owls of Peace” project, led by Alexandre Roulin, a biologist at the University of Lausanne, uses barn owls to promote peace in countries at war. By install…
2024
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Les couleurs du vivant: un monde de nuances et de fonctions
Vert des feuilles, rouge des coquelicots, rose des flamants : la nature regorge de couleurs et de motifs aux fonctions multiples. Dans "Les couleurs du vivant"…
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Why are owls scary?
Their ghostly appearance, their stealthy flight, and their nocturnal chirping, combined with their piercing gaze, fuel all sorts of superstitions: how can we le…
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A life and career dedicated to owls
With Alexandre Roulin, biologist, professor at the University of Lausanne, and owl expert, and Christine Mohr, professor of psychology, specialist in the analys…
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QED: 100 Years of the Swiss Ornithological Station
The Swiss Ornithological Station in Sempach celebrated its centennial in June 2024, marking a century of bird study and conservation. Located in the canton of L…
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The barn owl, a natural predator of voles
Last week, we received a question about dealing with voles, which greedily feast on the young roots and bulbs of our plants. How can we reduce their impact on o…
2023
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Des chouettes pour la paix: le projet qui allie protection de lʹenvironnement et diplomatie
"Owls for Peace", des chouettes pour la paix: cʹest lʹambition dʹun grand projet israëlien, jordanien et palestinien initié en 2002 dans la Vallée du Jourdain.…
2022
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Column by François Turrian: Barn Owls
The barn owl, also known as the white owl, is found in Switzerland in numbers ranging from 200 to 1,000 pairs. Thanks to a camera, they can be observed at the S…
2020
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Scientific american : Barn Owl Babies Can Be Helpful Hatch Mates
Short podcast in English on Barn Owl altruism.
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Is lockdown a real boon for birds?
On “Naviguons à vue,” Marc Muller and Jonas Schneiter are joined today by Alexandre Roulin, professor and associate vice dean of the Faculty of Biology and Medi…
2019
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Quand la chouette effraie… le campagnol
On full moon nights, the white barn owls’ color does not put them at a disadvantage while hunting—quite the opposite. Voles, the primary prey of this nocturnal…
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RTS, First Date: Mireille Grosjean and Alexandre Roulin meet for the first time
Rencontre radiophonique entre deux personnalités qui ne se sont jamais rencontrées
2018
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Radio Canada: When Owls Disguise Themselves as Doves in the Middle East
Le projet « Owls for peace » raconté au Canada.
2017
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RTS, Owls! : Barn Owl, Eurasian Eagle-Owl, featuring Alexandre Roulin, Biologist
Interview du Prof. Alexandre Roulin pour parler du projet « Owls for peace »
2016
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RTS, Mr. Gardener: Daniel Cherix's Column: New Findings on the Barn Owl's Diet
Présentation du travail effectué sur le régime alimentaire de l’Effraie des clochers.
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François Turrian's Column: Nature Quiz
You won’t always hear a bird song. Sometimes a simple question will put you on the right track to the answer. We’re expanding the range of topics to include nat…
2015
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The barn owl, a harbinger of peace
As part of Geneva Peace Week, held from November 16 to 20, 2015, among dozens of events and conferences aimed at discussing and promoting peace, there was also…
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RTS, CQFD: The barn owl knows no borders
Explications du Prof. Alexandre Roulin sur le projet « Owls for peace ».
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RTS, CQFD: The Stress of the Barn Owl
Explications du Prof. Alexandre Roulin sur le stress chez l’Effraie des clochers
2014
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When Chickens Had Teeth
Antoine Droux presents a comprehensive overview of bird evolution. Over the course of four years of research, 200 scientists from 20 countries analyzed the geno…
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RTS, CQFD: A Conversation with Alexandre Roulin
Interview du Prof. Alexandre Roulin pour parler de son travail à l’Université de Lausanne
2012
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Lend me your pen so I can write down my sorrows!
Quand les plumes nous renseignent sur la santé des oiseaux, c'est une des découvertes réalisées autour des plumes de chouettes effraies par les chercheurs de l'…