Translation

The Japanese word for "Swan" is hakuchou 白鳥.

Romaji ha ku cho u
Hiraganaはくちょう
Katakanaハクチョウ
Kanji 白 鳥
Meaning White Bird
School Level 小1 小2

Loan-word

The word "Swan" katakanized would be suwan スワン.
Romaji su wa n
Katakanaスワン
Hiraganaすわん

Further Reading

Wikipedia: Swan (白鳥)