Infant Lowland Gorilla on Mother's Back T-Shirt
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This images shows an infant lowland gorilla riding on its mother's back. Mothers can be seen supporting the infants for the first few months of life. Birth weight averages 4 pounds. For the first couple of years, gorilla infants grow at twice the rate of a human baby. They can crawl and ride on their mothers' backs at 3 months old. They may continue to ride on their mothers' backs, chests or legs until they are 3.5-4 years old. | "Smithsonian" and the Smithsonian logo are registered trademarks o