National Geographic : 1964 Mar
Achilla Dandles Jambo by His Arms and Pretends to Nibble His Feet At first the three-month-old gorilla did not like the game, but before long he grunted with pleasure. Glass beyond the wire netting pro tects the gorillas from viruses that may be car ried by visitors. Four-inch hairs clothe Achilla's arms, and massive eyebrows shadow her face. Mother's sheltering arms mean security to Jambo, who here flees a stranger venturing too close. Achilla's look of ferocity actually reflects only momentary alarm. EKTACHROMEBY PAUL STEINEMANN (C N.G.S . He was allowed to hold the infant under the close supervision of the mother-who took it back at the first whimper. Hitherto we had not heard of any case where an anthropoid mother entrusted a human being with her baby. On the other hand it is known from the observations of the American anthropologist George Schaller that mother gorillas in the wild often allow their small babies to be cared for by older brothers and sisters.* Gorillas develop twice as fast as human babies. Jambo learned, as human infants do, by imitation and trial and error. When proud of some feat, showered with attention, or hap py from a full stomach, he showed his pleas ure by a deep-throated grunting, equivalent to the chuckling of a human infant. Jambo was almost three months old when *The Mountain Gorilla, Ecology and Behavior, by George B. Schaller, the University of Chicago Press, Chicago, 1963.