Dogs and humans have been together for a long time. ScienceMagArchives
"When Maria came to me with the rock art photos and asked me if they meant anything, I about lost my mind," says co-author Angela Perri, a zooarchaeologist at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany. Perri has studied the bones of ancient dogs around the world, and has argued that
But Zeder notes that the engravings may not be as old as they seem. To confirm the chronology, scientists will need to link the images to a well-dated archaeological site—a challenge, she says, because"the archaeological record in this region is really spotty." Even if the art is younger than Guagnin and her colleagues think, the leashes are by far the oldest on record. Until now, the earliest evidence for such restraints came from a wall painting in Egypt dated to about 5500 years ago, Perri says. The Arabian hunters may have used the leashes to keep valuable scent dogs close and protected, she says, or to train new dogs. Leashing dogs to the hunter's waist may have freed his hands for bow and arrow.
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