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 TERMINÉ 
Background The breeding success of bird species with unfavourable conservation status, such as Scopoli’s shearwater (Calonectris diomedea) and Yelkouan shearwater (Puffinus yelkouan), is seriously threatened by the black rat (Rattus rattus), as demonstrated by international scientific literature. This negative trend is occurring in several Mediterranean ...
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 TERMINÉ 
Background Predation by the black rat (Rattus rattus) is threatening the world’s largest population of Mediterranean Shearwaters (Puffinus yelkouan) – 9 991 to 13 424 pairs out of a global population of 15 337 to 30 519 pairs. On Tavolara, Shearwaters can only successfully reproduce at a reduced number of nests, located in caves in rat-free high cliff ...
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