Rock Art is undoubtedly one of the most impressive testimony left by the ancient inhabitants of the Arabian Peninsula who decorated the desert rocks with innumerable drawings for millennia. While the study of this rich heritage is still in its early stage, the present paper would like to draw attention on the existence of a remarkable habit attested in the whole western half of the Peninsula which consists in the representation of large-sized figures of the most characteristic animal species of Arabia, the dromedary camel. Life-sized, sometime larger-than-life, drawings of camels have indeed been reported from the Najrān area until to that of Petra in southern Jordan. Although they might share a common cultural substratum, these different f...