Donkey Donkey The donkey or ass ("Equus africanus asinus") is a domesticated member of the horse family, Equidae. The wild ancestor of the donkey is the African wild ass, "E. africanus". The donkey has been used as a working animal for at least 5000 years. There are more than 40 million donkeys in the world, mostly in underdeveloped countries, where they are used principally as draught or pack animals. Working donkeys are often associated with those living at or below subsistence levels. Small numbers of donkeys are kept for breeding or as pets in developed countries. A male donkey or ass
Aedes africanus virus, West Nile virus, and Rift Valley fever virus. It is also a vector of Zika virus, the causal agent of Zika fever. Aedes africanus Aedes africanus is a species of mosquito that is found on the continent of Africa with the exclusion of Madagascar. "Aedes aegypti" and "Aedes africanus" are the two main yellow fever vector species in Zambia. "Aedes africanus" is mainly found in tropical forests not near wetlands. This mosquito has distinct white and black stripes along its body which help differentiate the genus from others in this family. Females of this species are ectoparasites and can