invisible bird

== English == === Etymology === So called because it is rarely sighted. === Noun === invisible bird (plural invisible birds) A small songbird (Myadestes genibarbis sibilans), found on the island of Saint Vincent in the Caribbean. === References === “invisible”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.