cerulean warbler

== English == === Noun === cerulean warbler (plural cerulean warblers) Any of species Setophaga cerulea of small parulid songbirds. === References === “cerulean warbler”, in OneLook Dictionary Search. cerulean warbler on Wikipedia.Wikipedia Setophaga cerulea on Wikispecies.Wikispecies Category:Setophaga cerulea on Wikimedia Commons.Wikimedia Commons