Agenda and activities Daily schedule When will the red ruffed lemurs be fed? And at what time will the zookeeper tell about the jaguars? Guided tours There is much to discover at ARTIS. Join the guided tour of ARTIS, or book a private tour of the park for your group. June, July and August ARTIS Summer nights Picnic in the grass, learn to make your own bokashi and listen to performances of emerging musicians.