Raccoon dog or red fox: which predator is the bigger threat to ground-nesting birds?

A new study (Salewski & Schwemmer, August 2026) warns that invasive raccoon dogs are adding pressure to endangered ground-nesting birds in Europe, alongside native predators like red foxes. Raccoon dogs are opportunistic and can thrive in diverse habitats. Which one do you think is harder for birds to evade? Source: European Journal of Wildlife Research / Springer. Sourced photographs.