noun
house sparrow
Refers specifically to the bird species Passer domesticus.
イエスズメは世界中の都市で見られる。
House sparrows can be seen in cities all over the world.
スズメ is the general term for sparrows, especially the Eurasian tree sparrow common in Japan. イエスズメ specifically refers to the house sparrow, a different species.
Compound of 家 (いえ, 'house') and 雀 (すずめ, 'sparrow'), literally 'house sparrow'.