[San Jose, June 9. Images via Zooborns.]

San José, CA—— Happy Hollow Park & Zoo is proud to announce the birth of endangered Red Ruffed lemur quadruplets on May 17, 2009. The births are the first of a kind for Happy Hollow and mark an important step for both the Zoo and this endangered species. The babies, two females and two males, have become more visible as the mother has started to leave the nest box for small periods at a time.