It is built on the face of a rock or on the wall of a house. The roof of such nests is an overhanging rock or, as shown in this picture, the eaves of a building.
বাওঁফালৰ ছবিখনত আফ্ৰিকাৰ ৰক্‌ মাৰটিন প্ৰজাতি চৰায়ে সজা বাহহ দেখুউৱা হৈছে ।