The Gibbon Conservation Center, just outside Los Angeles, has spent five decades caring for and protecting some of the world’s most endangered gibbons. ___ This is a photo gallery curated by AP photo editors.

Over the past 50 years, the Gibbon Conservation Center has become a globally recognized institution dedicated to the care and well-being of gibbons.

The Gibbon Conservation Center, which has been running since 1976, is open for guided tours on the weekends