How to say "beaver" in Japanese

• ビーバーCommon
  nounThe common word for the beaver, the large semi-aquatic rodent known for gnawing wood and building dams. This is the word to use in everyday speech and writing about the animal.
  ウサギはビーバーやリスと同族どうぞくです。↗

  Rabbits are related to beavers and squirrels.
• 海狸かいり
  nounA kanji-written name for the same animal, but a less common one. It is seldom the word you want; in ordinary contexts ビーバー is the usual choice, and 海狸 is mainly worth recognizing.

Both words name the same animal, the beaver; 「ビーバー」 is the common, everyday term, while 海狸 is a less common kanji-written alternative that learners will seldom need to produce themselves.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• ビーバーbeaver
• 海狸かいりbeaver