Читать книгу Fauna of Africa. Photo Album 2020 - Romans Arzjancevs - Страница 70

– The average total length (body and tail) is 30—60 cm, with a maximum total length of 85 cm.

– One of the most distinctive characteristics of this species is the presence of supraorbital «horns», one over each eye.

– with sparse rock outcroppings, and tend not to prefer coarse sand. Occasionally, they are found around oases, and up to an altitude of 1,500 metres. Cooler temperatures, with annual averages of 20° C or less, are preferred.