Читать книгу A Manual of Philippine Birds - Richard C. McGregor - Страница 101

 Ianthœnas griseogularis Walden and Layard, Ibis (1872), 104, pl. 6.

 Columba griseigularis Salvadori, Cat. Birds Brit. Mus. (1893), 21, 313; Sharpe, Hand-List (1899), 1, 72; McGregor and Worcester, Hand-List (1906), 13.

Bá-lud mai-tim, Manila; bá-duc, Batan.

Basilan (Everett, Bourns & Worcester); Batan (McGregor); Cagayan Sulu (McGregor); Calayan (McGregor); Guimaras (Layard, Meyer); Lubang (McGregor); Luzon (Gevers, Whitehead); Mindanao (Steere Exp., Platen, Goodfellow); Mindoro (McGregor); Negros (Everett, Whitehead); Romblon (McGregor); Sibutu (Everett); Sibuyan (McGregor); Sulu (Burbidge); West Bolod (Mearns). Northern Borneo.

Adult (sexes alike).—General color slate-black with metallic purple or green tips to the feathers; chin, upper throat, and sides of face below eyes pale gray; head, neck, back, breast, abdomen, and tips of wing-coverts, and upper and under tail-coverts glossed with metallic purple changing to green; remiges and rectrices black without metallic reflections, their coverts largely black with only the tips metallic; colors change greatly with the angle at which the specimen is held. Iris bright yellow; base of bill dark red, tip light yellow; feet and bare space about eye red. Length, 380 to 430; two males, wing, 248; tail, 161; exposed culmen, 22; tarsus, 28.

Young.—Differs from the adult in having metallic edges of feathers narrower on body, and wanting on wing-coverts; throat and breast blackish brown, each feather tipped with cinnamon.

Although of wide distribution, this species does not occur in great numbers except on the Island of Batan in the Batanes group where many individuals are caught with bird-lime and sold to visiting ships.