Exhibit design: provides a variety of substrates, levels, and complexities.
Training: interaction with the keeper and proper training allows an animal to choose to participate. This is also useful in gaining the animal's trust and allows the keeper close, visual observations of that animal.
Olfactory: a keeper can introduce natural predator or prey scents, in addition to novel smells or pheromone scents.
Auditory: taped sounds or vocalizations can simulate things that an animal may hear in the wild