01 JAN 2012 by ideonexus

 The Story of Flo, an Aging Chimpanzee Mother

Flo, inevitably, began to show her age. She wasn't strong enough to wean Flint when the time came, nor to care for her new infant Flame, born when Flint was only four and a half years old (the normal birth interval is five years or more). Flame disappeared during a time when Flo was too ill even to climb into a nest. Though she recovered somewhat after Flame's death, she did not have the strength to discipline Flint, who insisted on riding on her back and sleeping in her nest. When Flo died i...
  1  notes

She is too old to properly raise her infant, who grows up to be too dependent on her and cannot go on when she dies. This story is from the "F" family that Jane Goodall studied.