The hands of a baby chimp are seen clinging to its mother 

The hands of a baby chimp are seen clinging to its mother as she walks at Chimp Haven in Keithville, La., Monday, Feb. 18, 2013. One hundred and eleven chimpanzees will be coming from a south Louisiana laboratory to Chimp Haven, the national sanctuary for chimpanzees retired from federal research. (AP Photo/Gerald Herbert)
Associated Press
The hands of a baby chimp are seen clinging to its mother as she walks at Chimp Haven in Keithville, La., Monday, Feb. 18, 2013. One hundred and eleven chimpanzees will be coming from a south Louisiana laboratory to Chimp Haven, the national sanctuary for chimpanzees retired from federal research. (AP Photo/Gerald Herbert)
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