noun
red-rumped swallow
Ornithological name for Hirundo daurica. Used in field guides and birdwatching contexts.
腰赤燕は日本では旅鳥として見られる。
The red-rumped swallow is seen as a passage migrant in Japan.
noun
striated swallow
Ornithological name for Hirundo striolata. Less common in Japan; mainly a South and Southeast Asian species.
腰赤燕は、時に別種のオオコシアカツバメと混同される。
The striated swallow is sometimes confused with the larger red-rumped swallow.