Читать книгу A Manual of Philippine Birds - Richard C. McGregor - Страница 27
Order HEMIPODII. BUTTON QUAILS.
ОглавлениеCulmen curved but not hooked; nostrils opening by a slit beneath a horny scale; tarsi naked, without spurs; hind toe absent; wings short, rounded, and curved to the body; rectrices short, soft, and nearly hidden by the long fluffy coverts.