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Full size"> Visualization of the planned project. Red:songbird migration over the German coastal seas in the German Bight has been studied primarily. White:extent to which crossing the exclusive economic zone (EEZ) is important for songbird migration. White arrows:under which weather conditions the birds take different migration routes Yellow:The flight paths are investigated using radio telemetry with the help of the "Motus Wildlife Tracking System" (orange "flowers" are reception areas (antennas) of the receiving stations, see https://motus.org/, Taylor et al. 2017). A total of 100 radio transmitters will be attached
Every year, billions of songbirds migrate between their breeding grounds in northern Europe and their wintering grounds in southern Europe and Africa. During migration, they also cross sea areas such as the North Sea. The extent of bird mortality at offshore wind farms is still unknown, as it is much more difficult to register and quantify the number of deaths at sea than on land. The purpose of the experiment is to study the potential effects of wind turbines on individual songbird species, and to look at the proportion of birds of a species that choose to fly offshore rather than take the coast/overland or the shortest route to land, and which weather conditions affect this proportion. With the use of small nanotags attached to birds, the project can carry out an investigation of spatial and temporal high-resolution records of individual flight paths, which can be crucial for assessing the species-specific risk and the resulting avoidance and mitigation measures. Wild songbirds are equipped with small and very light transmitters, which are attached like a backpack and fall off after a few weeks. A total of 100 radio transmitters will be attached to passerines at Lista during autumn 2024 and 2025. Now in September, 29 nanotags were attached to songbirds at Lista. These transmitters emit a specific radio signal, which can be received with specially built antennas at the North Sea coast (Motus wildlife tracking system, see. To increase the range of detection, directional Yagi antennas, such as those found on rooftops for TV reception, are used. In our project, two such antennas have been installed. One at Lista lighthouse and one at Lindesnes. Dr. Thiemo Karwinkel is our contact from Oldenburg University. He has been responsible for setting up the antennas and visited Lista in September with his colleague Leo Körner to help us get started with the project. The individual antennas of a receiving station have a range of up to 20 km. Outside of this range, the flight path of the bird remains unknown. In order to record longer flight paths, several receiving stations are set up along suspected migration routes. International cooperation and standardisation allow for the creation of a global network. This means that not only one scientific team benefits from each station set up, but the entire community of bird researchers. More information, public data (including your future station) and current maps are available at: http://www.motus.org More info about the project group website on the offshore songbird migration: HERE. More info about project group website on the Motus System: HERE. | ||||||||
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| Reportasje fra Lista FS i Aftenposten |
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A total of 100 radio transmitters will be attached Fuglefestival 7.-8. september 2024 The annual report for 2023 is available! Fuglefestival 2.-3. september 2023 Report from spring 2023 |
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Lista Fuglestasjon
Fyrveien 6
NO-4563 Borhaug
post@listafuglestasjon.no Tlf: 949 86 793
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