article_snippet.sent: Mr Devreese spent three months, after setting off in February, searching the jungles of Congo in an attempt to find the Bouvier red colobus monkeys, or Piliocolobus bouvieri.
article_snippet.sent: Red colobus monkeys are among the largest primates in the forests of Congo and are prized by hunters.
article_snippet.sent: Rather than fleeing, Red colobus monkeys tend to look down at humans from the trees.
article_snippet.sent: The last unconfirmed sighting of a Bouvier's red colobus monkey was in the 1970s and they are mentioned in a book from 1949 as living in swamp forests aong the Likouala and Sangha rivers.
article_snippet.sent: a Bouvier's red colobus monkey lives in stretches of jungle alongside rivers in Congo (pictured above)
highlights_snippet.sent: Bouvier's red colobus monkeys was last sighted in the Congo during 1970s .
  
highlights_snippet.sent: Bouvier's red colobus monkeys live in noisy groups in the swampy forests alongside rivers .
  