Continuous telemetry
of oystercatcher chicks
The German breeding population of oystercatchers has declined significantly over the past 25 years. For this reason, tRackIT is working with the Michael Otto Institute to tag and monitor oystercatcher chicks in order to investigate the survival rates and breeding success of the birds in selected areas on the west coast of Schleswig-Holstein.
In February 2022, the three-year project “Investigations into space use, survival rates and causes of death of oystercatcher chicks using continuous telemetry” was launched. The project area is the Arlau area in Beltringharder Koog in Schleswig-Holstein. Initially five and from 2023 ten receiving stations in the Arlau reservoir of the Beltringharder Koog will be used to automatically record the location of the chicks at intervals of a few seconds using cross direction finding. This makes it possible to determine where the chicks prefer to stay, when and under what circumstances losses occur and when they fledge.
Can be used anywhere
Quattrologger antenna in Beltringharder Koog
The permanently installed receivers in the field also enable continuous transmission of the collected transmitter data, which leads to more precise location determination around the clock and thus minimizes susceptibility to interference. This makes it possible to determine the exact time of fledging or death of the chicks to within minutes. Based on this data, it was possible to determine that 17 oystercatcher chicks were victims of predation and at what time this occurred. With the help of tRackIT, protective measures could be developed to limit predation in the study area.