Island Rat Eradication Project Yields Positive Results

A rat eradication project on the Isles of Scilly has shown significant success in protecting seabird breeding sites. The operation, which began in 2013, aimed to remove invasive brown rats from St Agnes and Gugh. The islands have remained rat-free since the operation, and the number of Manx shearwater breeding sites has increased from 22 pairs before eradication to 225 occupied breeding sites in 2025. The project's success is a testament to the effectiveness of targeted conservation efforts. The eradication of invasive species has created a safer environment for native wildlife to thrive. The Isles of Scilly's unique ecosystem has been preserved, and the project serves as a model for similar conservation initiatives. The results of the project demonstrate the importance of proactive conservation measures in protecting vulnerable species and their habitats.