A look at the evolution of zoos from the simple caging of animals for recreational viewing to the construction of animal habitats to give captive animals more physical and mental stimulation.

Originally released by Bellum Entertainment/Midori Entertainment, 2012. Streaming video file encoded with permission for digital streaming by Infobase on July 11, 2016.

Wild Animal Parks and Zoos (3:33); --Animal Facts (4:09); -- Zoological Gardens (4:12); -- Animal Facts (4:59); -- Zoos as Animal Caretakers (3:27); -- Credits: The Modern Zoo: Animal Atlas (1:18); .