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Jean-Yves Paquet Profile picture
Jean-Yves Paquet
@JYPaquet
Birdwatcher & nature-lover. Biologist working for @natagora / @Natagora_Etudes. Board @_EBCC Tweet mostly EN FR also CAT 🎗
Oct 26, 2020 • 11 tweets • 8 min read
European Stonechat is a gorgeous bird & an exception among decreasing #FarmlandBirds in Belgium: population increased 4-fold since 2000. Why is #stonechat so successful in man-made landscape?
Paper from RGailly out in #Oecologia @SpringerNature thread #ornithology 📸FCarion 1/10 In our study area, stonechats can choose b/w 3 habitats: clear-cut, grassland & Christmas-tree plantations (CTP) a non-food perennial crop. A previous study shown this crop is offering a higher bird diversity than grassland when hedgerows are scarce. 2/10 sciencedirect.com/science/articl…
Jun 10, 2020 • 10 tweets • 5 min read
Today was my last Common Bird Monitoring round for this spring in Eau Blanche river valley -Belgium. A valley covered with meadows, farms here producing beef/milk. I'm monitoring there since 1990! This led me to some reflections about #biodiversity & #meat 👇
#ornithology 1/9 Image If all farmland in BE were like this valley, we would not contemplate this kind of depressing #FarmlandBirdIndex graph. It shows the average trend of 15 species of bird specialized in farmland in Wallonia (source: @AvesBE & #DEMNA) 2/9 Image
Apr 6, 2020 • 8 tweets • 5 min read
Even in this strange time where we have to stay home, some of us are lucky enough to watch a fantastic migratory bird in their backyard, the Redwing -thread 👇 & more details in @AvesBE blog in FR (📷C Farinelle) #ornithology blog.aves.be/aves/2020/4/5/… Image Redwing breeding range extends from NW Europe E to the Kolyma river bassin: 60% of the world population breed in Asia but almost all the population is wintering in WP, so Kolyma birds have to fly at least 6500km to reach nearest Caspian wintering grounds
datazone.birdlife.org/species/factsh… Image
Mar 10, 2020 • 12 tweets • 6 min read
Last week I visited Collserola NP, Barcelona, with my friend Joan Estrada. He showed me a remarkable #invasivespecies, the Red-billed Leiothrix. But then I started looking into the papers about its possible harmfulness... ⏬ #ornithology

Right pic by ucumari photography CC. ImageImage Member of Leiotrichidae (which includes Babblers and Laughingthrushes), RB Leiothrix is indigenous in Asia, introduced in Japan (despite its popular name in some languages "Rossignol du Japon"), in Hawaii and recently in several distinct areas in Europe
datazone.birdlife.org/species/factsh… Image