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Eagle Reintroduction Sparks Seabird Colony Fears
8 Nov
Summary
- White-tailed eagles may threaten endangered seabird populations.
- Ecologists are divided on the impact of eagle reintroductions.
- A decision on Gwent eagle release is expected by year-end.
Proposals to reintroduce significant numbers of white-tailed eagles in England and Wales have ignited a debate among naturalists, with some conservationists warning of dire consequences for endangered seabird colonies. Experts express concerns that increased eagle populations could lead to the collapse of colonies of puffins, guillemots, and razorbills. This comes at a time when British seabirds have already experienced severe population declines.
While the reintroduction of white-tailed eagles is seen by some as a conservation success, a significant point of contention is the potential impact on cliff-nesting seabirds. Organizations are divided, with some supporting the reintroduction and others voicing alarm over evidence from regions like Norway where eagles have demonstrably affected seabird breeding success. Scientific studies suggest indirect effects, such as heightened fear in seabirds leading to colony desertion, could be substantial.
Supporters of the reintroduction emphasize that white-tailed eagles are generalist feeders with varied diets, and the projected number of breeding pairs is unlikely to cause significant population-level impacts on any single species. They anticipate healthier, more balanced ecosystems. However, counterarguments cite research indicating that even a few pairs of eagles, especially immature ones, can severely disturb nesting seabirds. Natural Resources Wales is currently assessing an application for eagle releases in Gwent, with a decision anticipated by the end of this year, followed by a public consultation.