Red-billed quelea the rear flying over the entire group to a fresh feeding zone at the front, creating an image of a rolling cloud. The conservation status of red-billed quelea is least concern according to the IUCN Red List. The red-billed quelea was one of the many birds described originally by Linnaeus in the landmark 1758 10th edition of his "Systema Naturae". Classifying it in the bunting genus "Emberiza", he gave it the binomial name of "Emberiza quelea". He incorrectly mentioned that it originated in India, probably because ships from the East Indies picked up birds when visiting the African coast during
Red-billed quelea quelea needs of precipitation to breed, with nest building usually commencing four to nine weeks after the onset of the rains. Nests are usually built in stands of thorny trees such as umbrella thorn acacia ("Vachellia tortilis"), blackthorn ("Senegalia mellifera") and sicklebush ("Dichrostachys cinerea"), but sometimes in sugar cane fields or reeds. Colonies can consist of millions of nests, in densities of 30,000 per ha (12,000 per acre). Over 6000 nests in a single tree have been counted. At Malilangwe in Zimbabwe one colony was long and wide. In southern Africa, suitable branches are stripped of leaves a few days