black rhinoceros
Refers to the species Diceros bicornis. Typically written in katakana as is common for animal names.
The black rhinoceros is designated as an endangered species.
Standard katakana spelling for this animal name.
Kanji spelling is rare; the word is usually written in kana.
Compound of 黒 (kuro, 'black') + 犀 (sai, 'rhinoceros'). The katakana spelling クロサイ is standard for animal names.