noun
fork-tailed swift; Pacific swift
Archaic name for the fork-tailed swift (Apus pacificus). In modern Japanese, this bird is usually called 雨燕 (あまつばめ). The entry is marked as archaic.
See also: 雨燕
古い文献では、雨鳥はアマツバメの古名として記されている。
In old documents, 雨鳥 is recorded as an old name for the fork-tailed swift.