Arborófila de Formosa Arborophila crudigularis

Subtly patterned sphere of a bird; the only hill partridge (genus Arborophila) on Taiwan, where endemic. Black-and-white facial pattern is diagnostic, unlikely to be confused with any other native bird. Female’s facial markings slightly weaker than male’s. Forages on the ground in small groups. Inhabits broadleaf and mixed forests in hills and mountains, where it forages quietly in the leaf litter. Gives loud, echoing tremulous songs, usually early in the morning and late in the afternoon. Generally shy but approachable where habituated at feeders.