long-eared owl; northern long-eared owl
Refers specifically to the species Asio otus. In Japanese birding contexts, the katakana name トラフズク is standard.
The long-eared owl is a type of nocturnal owl.
Katakana spelling is the usual written form for this bird name.
Kanji spelling; rarely used in practice. It is usually written in kana.
Alternate kanji spelling using 兎 instead of 菟; marked as irregular kanji usage.
The name トラフズク literally means 'tiger-striped owl', from 虎 (tora, 'tiger') + 斑 (fu, 'spot/stripe') + 木菟/木兎 (zuku, 'horned owl'). The katakana form is the standard modern spelling.