A butterfly; an insect with wings that undergoes metamorphosis from caterpillar to chrysalis to adult, often colorful.
庭で色とりどりの蝶を見つけた。
I found colorful butterflies in the garden.
春になるとたくさんの蝶が飛んでくる。
Many butterflies come flying in spring.
この蝶の種類は日本では珍しいらしい。
This species of butterfly seems to be rare in Japan.