Problem bird causing trouble on Lake Constance: Now they're resorting to an unusual method.
schwaebische.de/regional/baden-wuerttemberg/problem-vogel-macht-am-bodensee-arger-jetzt-greifen-sie-zu-einem-ungewoehnlichen-mittel-4599435
Photo: schwaebische.de · view article
Testing Drones to Control Cormorants at Lake ConstanceBy mid-July, results will reveal if drones can reduce breeding success of 1,800+ cormorant pairs around Lake Constance.
Key FactsMay 27, 2026 · Reading time: ~30 sec.
Summary created with AI assistance · Source: schwaebische.de
Summary created with AI assistance · Source: schwaebische.de
- A modified agricultural drone coated cormorant eggs with oil in high nests to prevent hatching and reduce breeding success.
- Drone flights are restricted to a brief window from mid-March to late April when eggs are still unhatched.
- Environmental authorities expect to evaluate footage and reports by mid-July before deciding on further drone use.
- The three-year, €900,000 project supports conservation efforts for endangered fish species in the Lake Constance region.
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aircraft intended for use without onboard human crew members
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