Birds such as sandgrouse, partridges, bee-eaters, larks, and shrikes are commonly seen. Notable birds from this desert include the spotted sandgrouse, greater hoopoe-lark and white-crowned wheatear. Nesting sandgrouse and many plovers carry water to their young by wetting their belly feathers. Among birds, sandgrouse and larks are seen in fair numbers. The black-bellied sandgrouse and the pin-tailed sandgrouse also occur in Spain, Portugal and southern France. The black belly and pale underwing distinguish this species from the related Tibetan sandgrouse. The chestnut-bellied sandgrouse ("Pterocles exustus") is a species of sandgrouse. The Madagascar sandgrouse is restricted to Madagascar. Outside the breeding season, the sandgrouse are gregarious. India has the largest number of sandgrouse of any country. The Doublebanded Sandgrouse can be found here, alongside the more commonly spotted Namaqua Sandgrouse. The Namaqua sandgrouse ("Pterocles namaqua"), is a species of ground-dwelling bird in the sandgrouse family. The Namaqua sandgrouse is a host of the Acanthocephalan intestinal parasite "Moniliformis kalahariensis". Male sandgrouse have specialized belly feathers that are able to trap and carry water. Sandgrouse are gregarious, feeding in flocks of up to 100 birds.