The Water Guib (Tragelaphus spekei) is the largest antelope in South Benin and is present within the PNCVS. For several years, the Republic of Benin has taken the option of classifying the Guib as an endangered species (EN) in the red list of endangered species in Benin even though it is classified as minor according to (IUCN). This publication is a study on the abundance and distribution of the watergib in the Sitatunga Valley that was conducted in order to preserve the natural ecological heritage in general and that of the watergib in particular.