red-throated loon; red-throated diver
A bird species (Gavia stellata). In everyday Japanese, the katakana name アビ is the usual written form.
In winter, red-throated loons can sometimes be seen along the coast of Japan.
Katakana spelling is standard for this bird name; usually written in kana.
Ateji kanji form; rarely used in modern Japanese.
The Japanese name アビ is thought to be derived from the bird's call. The kanji 阿比 are ateji (phonetic equivalents) and not related to the meaning.