noun
A rare, poetic name for the lesser cuckoo (Cuculus poliocephalus), also known as 時鳥 (ほととぎす). Used mainly in classical or literary contexts.
See also: 時鳥
「恋し鳥」は、ほととぎすの異名として古い和歌に見られることがある。
The name 恋し鳥 sometimes appears in old waka poems as an alternate name for the lesser cuckoo.