The ovir are a species where both of the genders may appear female at first, but the male houses a rather impressive cock within its cloaca. Once aroused and extended, this male member helps to differentiate the two. Females tend toward more earthy color tones while the males are more bright and vibrant, with swelled chests that resemble breasts. For attracting females, the males possess the larger chests of the two. Altogether this could serve to confuse a male of any other species.