1. Old World monkeys: guenon; baboon; colobus monkey; langur; macaque ; mandrill ; mangabey; patas; proboscis monkey.

2. The Red Colobus Monkeys: Variation In Demography, Behavior, And Ecology Of Endangered Species.

3. Guereza colobus monkeys appear to join the chorus to advertise their size and dominance.

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4. Red colobus monkeys would be among the primates most threatened by warming-induced leaf changes, a new study says.

5. In the distance troops of red colobus gave honk calls, and crowned monkeys made their throaty booms.

6. A black colobus monkey is roasted for sale at an illegal bush-meat market in Gabon.

7. Although infant colobus monkeys are born all white, adults are black with a white face border, white veiling flanks, and a bushy white tail.

8. Port Lympne has this year welcomed wildebeest, colobus monkeys, gorillas and rhinos.

9. The red colobus could have been the first species of primates to disappear in 200 years.

10. The driver is responsible for getting the troop of colobus moving through the canopy.

11. I became acquainted with other animals: troops of vervet and redtail monkeys; the beautiful red colobus monkey; the shy bushbuck; the fat ginger bush pig.

12. Forty feet farther on, a smaller group of gnomelike black colobus interrupted their leaf breakfast to race away.

13. The inaction, combined with less nutritious food, could eventually cause mountain gorillas and African colobines—a large group of species including colobus monkeys—to go extinct, the study predicts.

14. The day after Hearn and Butynski returned with the expedition to Malabo, a drill and two red colobus went up for sale.

15. This may be the most barbarity scene in the world. People can barbecue everything they want. The Colobus satanas naive eyes charge the sin.

16. Sometimes a strong, ammonia scent filled the air—the calling card of a troop of red colobus, one of the rarest of Bioko's monkeys.

17. "There is an endemic bird species, the Kabobo apalis, and a subspecies of black-and-white colobus [monkey] only from this forest, " Plumptre said.

18. An afternoon at the beachside Bijilo Forest Park – a mile up the coast – gave us the chance to wander among baobabs, spotting hornbills, red colobus and green vervet monkeys.