The fifth Howler Monkey census at the Smithsonian's Barro Colorado Island research station in Panama revealed that monkey numbers have not changed significantly since the first census 33 years ago.

Monkey populations in threatened forests are far more sensitive to damage to their habitat than previously thought. Numbers closely related to the type of habitat found between forest fragments, ...

Santa Ana has been running low on monkeys. For decades, the family that gave the city the land for its small but popular zoo has kept tabs on the primate population. The deal was 50 monkeys. Anything ...