Lewis & Short

1. būbo, ōnis, m. (f. only once Verg. A. 4, 462; cf. Serv. ad loc.; Non. p. 194, 1.
Hence given erroneously by Prisc. p. 683 P. and Rhemn. Palaem. p. 1370 fin. ib. as comm.) [βύας, βῦζα], an owl, the horned owl: Strix bubo, Linn., whose cry was considered as ill-boding, Plin. 10, 12, 16, § 34; Verg. A. 4, 462: ignavus bubo, Ov. M. 5, 550: profanus, id. ib. 6, 432 (cf. id. ib. 5, 543: profana avis): funereus, id. ib. 10, 453: Stygius (since Ascalaphus, son of Acheron or Styx, was changed to an owl; v. Ascalaphus), id. ib. 15, 791: rauci, id. Am. 1, 12, 19: bubone sinistro, Luc. 5, 396: trepidus, id. 6, 689: moestus, Sen. Med. 734: luctifer, id. Herc. Fur. 687: infaustus, Claud. in Eutr. 2, 407.