a continued tale of the plantsman and his Berok friends

From A View From the Summit (1996):

"The Reserve's resident Long-tailed Macaque monkeys (Macaca fascicularis) were now entertained by the spectacle of Corner's trained Pig-tailed Macaque (Macaca nemestrina) or Berok plant collectors, Jambul and Puteh, shimmying up tall trees to fetch precisely the specimens the botanist sought. "