bank swallow

== English == === Noun === bank swallow (plural bank swallows) A small American and European swallow (Riparia riparia) that nests in a hole which it excavates in a bank. ==== Synonyms ==== (Riparia riparia): sand martin, Clivicola riparia (obsolete) ==== Translations ==== === Further reading === bank swallow on Wikipedia.Wikipedia Riparia riparia on Wikispecies.Wikispecies Category:Riparia riparia on Wikimedia Commons.Wikimedia Commons