A cotton-top tamarin scurries about its enclosure at the Santa Ana Zoo. (Christine Cotter / Los Angeles Times)
Barry Rae shows his 11-month-old son Wyatt the monkey enclosure at the zoo. (Christine Cotter / Los Angeles Times)
A red-handed tamarin scratches itself at the zoo. (Christine Cotter / Los Angeles Times)
Two red-handed tamarins at the Santa Ana Zoo. (Christine Cotter / Los Angeles Times)
Exactly 50 monkeys now reside at the zoo, among them this silver langur. (Christine Cotter / Los Angeles Times)
The Santa Ana Zoo opened in 1953 in Prentice Park, not far from the Civic Center. (Christine Cotter / Los Angeles Times)
