A lone hippo with attendant red-billed oxpeckers, or tick birds, grazes near the edge of the Okavango Swamp in the Moremi Wildlife Reserve. This hippo has gashes on its side which are probably the result of a territorial fight with another hippo.Moremi incorporates Chief's Island and was the first reserve in Africa to be created by indigenous Africans. Protecting the rich and diverse ecosystems of the central and eastern areas of the Okavango Delta, Moremi is the only area accessible by motor vehicle in dry weather..