Raptor Ringing

Raptor Ringing Raptor Workgroup “Het Gooi en Vechtstreek” focuses on research on birds of prey. We look for birds of prey, especially during the breeding season. In (early) spring,¬†court displaying birds are followed and their nests are located, trying to get a picture of the course of the breeding process. When possible, eggs are counted […]

Geolocator research

Kleine karekiet in het riet

Long Distance Bird Migration tracking Within a collaboration of “Vogelwerkgroep Het Gooi” and “Vogelringstation De Haar”,  I am part of the study of the migration routes of Common Reed Warbler and Marsh Warbler with the use of Geolocators. More about this project Other Experience Raptor Ringing Read more Oosterwold Read more Geolocator research Read more […]

Sound Based Species Monitoring

Male Bullfinch singing

Sound Based Species Monitoring I am currently developing the idea to use sensitive microphones (Audiomoths) and AI for automatic sound based monitoring. Artificial intelligence is used to scan recordings and pulls out and identifies distinct sounds and phrases, such as bird songs, frog calls or bats. Work in Progress.. Other Experience Bird Guide Read more […]

Scientific Publications

Ecological scientific research

Scientific Publications Ornithological Peer-reviewed Wouter M.G. Vansteelant, Jasper Wehrmann, Dries Engelen, Johannes Jansen, Brecht Verhelst, Rafa Benjumea, Simon Cavaill√®s, 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, […]

Breeding Bird Monitoring

Male Common Redstart

Breeding Bird Monitoring Monitoring of Breeding birds (BMP) is an important tool to get data and reliable trends for birds. I have extensive experience with both the fieldwork and analysis of BMP data. Other Experience Bird Guide Read more Meetnetten Belgie Read more Raptor Ringing Read more Laad meer

Klokhuis Episode on Raptor Research

Klokhuis Episode on Raptor Research Raptor workgroup”Gooi en Vechtstreek” focuses on research on birds of prey. We look for birds of prey, especially during the breeding season. In (early) spring, courtship birds are followed, their nests are found and we try to get a picture of the course of the breeding process. When possible, eggs […]

Batumi Raptor Count

Batumi Raptor Count Batumi Raptor Count, or BRC, is a nature conservation NGO that works to monitor and conserve the 1,000,000+ birds of prey that migrate every autumn through the Batumi Bottleneck. I was heavily involved in the development of this project from 2012 until 2021, as a counter, board member and as president. A […]