National Geographic : 1979 Aug
In mock combat, two black-tailedpups square off for rough-and-tumble play (below). Pampered by town elders, the very young constantlypester adults for attentionand grooming,and areseldom denied. Pups often wander into neighboringcoteries, where they are usually warmly received. But as they grow older, they become increasinglyunwelcome. Deaf, blind, and weighing only half an ounce, a newborn (right) takes milk from an eyedropper at the DakotaZoo in Bismarck, North Dakota.Nour ished by grassesand herbs, the young grow rapidly and reachfull size within six months. Expressing recognition rather than love, Utah prairiedogs exchange a "kiss" (far right). By the touchingof incisorteeth, kissing confirms the iden tity of group members.