Gone before it’s known? Camera-trapping shows alarming levels of putative hybrids in the wildcat (Felis silvestris) population of the Gargano National Park (Southern Italy)

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Abstract The European wildcat is a small carnivore widespread across Europe and hybridization with the domestic cat is one of the major threats to wildcats. We estimate the population density of wild-living cats (both wildcats and putative hybrids based on pelage) in the Gargano National Park (Southern Italy). We sampled 20 stations for 540 camera days. We obtained 23 images from 17 detections at 10 cameras, and we identified 10 individuals (6 wildcats and 4 putative hybrids). Population density was estimated at 0.34 ± 0.15 SE wild-living cats/km2. The proportion of putative hybrids indicates an alarming hybridization for this population.