Publications
BRC Magazines
Peer-reviewed
Wouter M.G. Vansteelant, Jasper Wehrmann, Dries Engelen, Johannes Jansen, Brecht Verhelst, Rafa Benjumea, Simon Cavaillès, Triin Kaasiku, Bart Hoekstra & Folkert de Boer. (2020) Accounting for differential migration strategies between age groups to monitor raptor population dynamics in the eastern Black Sea flyway. Ibis 162(2): 356-372.
Jasper Wehrmann, Folkert de Boer, Rafa Benjumea, Simon Cavaillès, Dries Engelen, Johannes Jansen, Brecht Verhelst & Wouter M. G. Vansteelant. (2019) Batumi Raptor Count: autumn raptor migration count data from the Batumi Bottleneck, Republic of Georgia. Zookeys 836: 135-157.
Anna Sándor & Brandon P. Anthony. (2018) Mapping the conflict of raptor conservation and recreational shooting in the Batumi Bottleneck, Republic of Georgia. Journal of Threatened Taxa 10(7): 11850–11862.
Wouter M. G. Vansteelant, Brecht Verhelst, Judy Shamoun-Baranes, Willem Bouten, Emiel van Loon & Keith L. Bildstein. (2014) Effect of wind, thermal convection, and variation in flight strategies on the daily rhythm and flight paths of migrating raptors at Georgia's Black Sea coast. Journal of Field Ornithology 85(1): 40-55.
Brecht Verhelst, Johannes Jansen & Wouter M. G. Vansteelant. (2011) South West Georgia: an important bottleneck for raptor migration during autumn. Ardea 99(2): 137-146.
Dataset
Wehrmann J., F. de Boer, W.M.G. Vansteelant & J. Creuwels. (2018) Batumi Raptor Count (BRC) - Autumn migration data. Batumi Raptor Count. Sampling event dataset https://doi.org/10.15468/ur0vnh accessed via GBIF.org on 2018-12-20.
Ornithological journals
Sander Bruylants. (2023) Laughing Gull at Paliastomi lake, Georgia, in August 2022. Dutch Birding 45(4): 259-260.
Olga Zaitseva, Bart Hoekstra, Johannes Jansen, Dries Engelen, Folkert de Boer, Rafa Benjumea, Jasper Wehrmann, Simon Cavaillès, Triin Kaasiku, Diego Jansen, Pia Fetting, Aki Aintila & Wouter M.G. Vansteelant. (2022) Thirteen Years of Counting Raptor Migration in Batumi: Observations and Their Importance for Raptor Conservation in Russia. Raptors Conservation 44: 10-42. (PDF)
Xu Shi. (2022) Raptor watching in Georgia. (in Chinese). China Birdwatch. (PDF)
Tohar Tal, Diego Jansen, Wouter Vansteelant. (2021) Opportunistic in-flight foraging behaviour of Black Kites Milvus migrans during spring migration through the Batumi bottleneck, Georgia. Sandgrouse 43: 247-252. (PDF)
Ben Jobson, Tris Allinson, Rob Sheldon, Wouter Vansteelant, Evan Buechley, Steffen Oppel, Victoria R. Jones. (2021) Monitoring of migratory soaring birds in the East African-Eurasian flyway: a review and recommendations for future steps. Sandgrouse 43: 2-23. (PDF)
Bart Hoekstra, Johannes Jansen, Dries Engelen, Folkert de Boer, Rafa Benjumea, Jasper Wehrmann, Simon Cavaillès, Triin Kaasiku, Diego Jansen, Pia Fetting, Aki Antila, Wim Bovens, Olivier Dochy, Wouter M.G. Vansteelant. (2020) Batumi Raptor Count: Van roofvogeltrek monitoren tot actieve bescherming langs een trekroute vol bedreigingen. Natuur.oriolus 86(3): 85-103. (PDF)
Bart Hoekstra, Johannes Jansen, Dries Engelen, Folkert de Boer, Rafa Benjumea, Jasper Wehrmann, Simon Cavaillès, Triin Kaasiku, Diego Jansen, Pia Fetting, Aki Aintila & Wouter M.G. Vansteelant. (2020) Batumi Raptor Count: from migration counts to conservation in a raptor flyway under threat. British Birds 113(8): 439-460. (PDF)
John Wright, Simon Cavaillès & Wouter M. G. Vansteelant. (2019) Photographic evidence of a 2nd calendar-year female European Honey Buzzard Pernis apivorus on autumn migration in the Western Palearctic. Sandgrouse 41: 101-104.
Jonas Schärer & Simon Cavaillès. (2019) Egyptian Nightjar at Chorokhi Delta, Georgia, in August 2017 and status in Europe. Dutch Birding 41(1): 36-40.
Anna Sándor, Johannes Jansen & Wouter M. G. Vansteelant. (2017) Understanding hunter's habits and motivations for shooting raptors in the Batumi raptor-migration bottleneck, southwest Georgia. Sandgrouse 39(1): 2-15.
Vansteelant W., Jansen J. & Verhelst B. 2010. Batumi Raptor Count: Monitoring van geconcentreerde roofvogeltrek aan de Oostelijke Zwarte Zee. Natuur.oriolus 76(3): 82-93.
Popular writing
Lindo D. 2018: Batumi, Georgia - Birdwatching Magazine: 92-93
Wehrmann J. 2016: Kaukasischer Zugtricher: Herbstzählung des Greifvogelzugs in Batumi. Der Falke (3): 34-35
Wehrmann J., J. Jansen and W.M.G. Vansteelant 2015: Das kaukasische Mysterium. Eine Million Greifvögel in Batumi. Der Falke (7): 18-22
Karlonas M. 2013 - PLESRIUJU PAUKSCIU SKAICIAVIMAS GRUZIJOJE - Ornitologines Keliones
Jansen J. 2012. Batumi Bottleneck: 2 sided discovery for raptor conservation. Hawk Mountain News fall 2012 (117): 32-35.
Green A.W. 2012. Watching Autumn Hawk Migrations in Batumi, Republic of Georgia. Hawk Migration Studies 37(2): 10-13.
Menzie S. 2012. Birding abroad: Batumi Raptor Count. BirdGuides.
Gelpke C., Franken F., Willaert B., Stübing S. 2011. Einzigartiger Greifvogelzug zwischen Schwarzem Meer und Kaukasus. Falke Sonderheft 2011: 448-451.
Kirstilä V. 2011. Varrella petovirran. Linnut, Birdlife Suomi-Finland, 46(4):40-44.
Vansteelant W. 2010. Batumi, Adscharien; In Aebischer A. (Hrsg.) 2010. Vogel beobachten in Europa. Haupt Verlag, Bern, Sw.