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Understanding spatial linkages between areas used by migratory animals during the annual cycle is fundamental to their conservation. Stable isotope measurements of animal tissues can be a valuable tool in understanding spatial connectivity and migration phenology of migratory wildlife. We inferred natal origins of two migratory passerines, European Pied Flycatcher Ficedula hypoleuca and European Robin...
We used distance sampling to assess density and the detectability of male black grouse (Tetrao tetrix) and rock ptarmigan (Lagopus muta) in 2 protected areas of the Italian Alps. Our sampling effort was not sufficient to provide reliable inference for monitoring projects. Therefore, we used our field results to structure a simulation study to compare the performance of plot‐based and distance sampling...
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