Chimpanzee Gwekolu and baby at Mahale Mountains National Park in Tanzania. They are members of the “M” group of habituated chimpanzees that has been studied by Kyoto University researchers for more than 30 years. (Alan Feldstein / LAT)
Masudi is a member of the “M” group of habituated chimpanzees at Mahale Mountains National Park in Tanzania. (Alan Feldstein / LAT)
Kalunde is the oldest member of the “M” group of habituated chimpanzees. (Alan Feldstein / LAT)
A baby chimp and members of the “M” group of habituated chimpanzees. (Alan Feldstein / LAT)
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Chimpanzee Christina and baby at Mahale Mountains National Park in Tanzania. (Alan Feldstein / LAT)
Chimpanzee Gwekolu and baby at Mahale Mountains National Park in Tanzania. (Alan Feldstein / LAT)
Alofu is Alpha male of the “M” group of habituated chimpanzees (Alan Feldstein / LAT)
Orion enjoys cocktail ants he’s extracted from a tree using a slender stick as a utensil. Scouts head into the hills in the early morning and radio back chimp locations so guides can lead hikers in. (Alan Feldstein / LAT)
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A baby chimp peeks over a rock at Mahale Mountains National Park in Tanzania. It is a member of the “M” group . (Alan Feldstein / LAT)
