Terrera Negrita Eremopterix nigriceps

Small, finchlike lark of arid zones with strong sexual dimorphism. Male is striking with black underparts, whitish cheeks, and black crown. Female is overall gray-brown overall and lightly-streaked; best identified by short, heavy bill. In flight shows dark underwing coverts and black tail (from above black tail sides). Breeds on desert plains with scattered bushes. Song is a repetitive short phrase of clear, high-pitched whistles. Call is a short, buzzing "Zzz" or "Zik, zik…"