Answer:
camel, (genus Camelus), any of three species of large ruminating hoofed mammals of arid Africa and Asia known for their ability to go for long periods without drinking. The Arabian camel, or dromedary (Camelus dromedarius), has one back hump, while the domesticated Bactrian camel (C. bactrianus) and the wild Bactrian camel (C. ferus) have two.