Adventivart, Adventivarten, Anatidae, Einschleppung, Einwanderer, Ente, Enten, Entenvogel, Faunenverfälschung, Heiko Bellmann, Invasionsbiologie, Invasive species, Invasor, Invasoren, Neozoen, Neozoon, Neubürger, Neueinwanderer, Tier, Tiere, Vogel, Vögel, Wasservogel, Wasservögel, animal, animals, bird, birds, duck, ducks, eingeschleppt, invasive Arten, invasive animal, invasive exotics, waterfowl, waterfowls