Mauritania Reference Libraries
The Gray-backed Fiscal (Lanius excubitoroides) is a species of bird found in Burundi, Cameroon, Central African Republic, Chad, Democratic Republic of the Congo, Ethiopia, Kenya, Mali, Mauritania, Nigeria, Rwanda, Sudan, Tanzania, and Uganda. Its natural habitats are dry savanna and subtropical or tropical dry lowland grassland.
The Spotted Sandgrouse (Pterocles senegallus), is a species of bird in the Pteroclididae family of birds. It is found in Afghanistan, Algeria, Chad, Djibouti, Egypt, Eritrea, Ethiopia, India, Iran, Iraq, Israel, Italy, Jordan, Libya, Mali, Mauritania, Morocco, Niger, Oman, Pakistan, Saudi Arabia, Somalia, Sudan, Syria, Tunisia, Turkey, United Arab Emirates, and Western Sahara.
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.