What is the IUCN classification for the globally widespread Willow Warbler population?
Answer
Least Concern
The conservation status of the Willow Warbler presents a stark contrast depending on the geographic scale examined. On a global scale, as assessed by the International Union for Conservation of Nature (IUCN), the species is classified as Least Concern. This classification is supported by the fact that the species remains common globally, with an estimated population numbering in the hundreds of millions across its extensive range. However, this global security masks severe localized problems; within the United Kingdom, for example, the species faces much greater peril and is placed on the Amber list of Birds of Conservation Concern, particularly due to significant declines observed in certain English regions.
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