invisible bird

Etymology

So called because it is rarely sighted.

Noun

invisible bird (plural invisible birds)

1. 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.