noun
A bird species (Cuculus poliocephalus). The name is usually written in katakana as アヤナシドリ. The kanji 文無鳥 is rare and literary.
See also: ホトトギス
アヤナシドリは夏鳥として日本に渡来する。
The lesser cuckoo comes to Japan as a summer bird.
アヤナシドリの鳴き声はホトトギスに似ている。
The call of the lesser cuckoo resembles that of the lesser cuckoo (ホトトギス).
ホトトギス is the lesser cuckoo (Cuculus poliocephalus), the same species as アヤナシドリ, but ホトトギス is the common name. アヤナシドリ is a rare alternative name.
The origin of アヤナシドリ is uncertain. The kanji 文無鳥 literally means 'patternless bird', possibly referring to its plain plumage compared to other cuckoos.