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… related native species). Ruddy Shelduck Tadorna ferruginea Small numbers in western Europe, very few breeding (but … numbers. Most of the taxa are not native to the country where they are being held. A large number of private … in an area in the west midlands of England and 93% on an island in Wales. The study concluded that shooting was the …

… why disease management is important, how to approach developing disease management strategies and the importance … in vulnerable isolated wildlife populations in human-made ‘island ecosystems’ which are at increased risk of diseases … isolated or threatened species can be particularly severe. Small populations lose heterozygosity and are thus inherently …

… levels of success. A control scheme implemented for a small population of Black Swans in Austria has been highly … resulted in the eradication of the Ruddy Duck within the country since 2006. In addition, eradication of the species …

… Authorities for the Ramsar Convention in each country. Equally important users in many cases are managers … of infected birds; 20. UNDERLINES the importance of developing and implementing national contingency or action … concern for species of conservation importance that have small populations and/or are highly localised at some stages …