Abstract: The study deals with the population size, habitat association of common warthog (Phacochoerus africanus) and their impact on agricultural crops was carried out in Diregudo forest. To conduct the animal survey the forest were divided in to three habitats namely mixed grass land, bush land and wood land. Depending on the vegetation type representative habitats were randomly selected in each habitat animal survey was conducted using line transects. Fefteen line transects were laid down and along each line transect animal survey was conducted.