noun
naturalized animal
Refers to an animal species that has become established in a region outside its native range, often through human introduction.
帰化動物の例として、日本ではアライグマが挙げられる。
As an example of a naturalized animal, the raccoon can be cited in Japan.
外来種 is a broader term for any non-native species, while 帰化動物 specifically refers to those that have established self-sustaining populations in the wild.
Compound of 帰化 (naturalization) and 動物 (animal).