Because of their slow metabolism, sloths can take more than a week to digest a meal. The temperature is maintained at 27 C during the day and 22 C at night. Spray misters keep the humidity near 75 percent. Lights in the habitat turn on and off gradually, simulating dawn and dusk in the Amazon. Rainstorms in the caiman display burst out of 700 nozzles as a blind simultaneously covers the skylight, darkening the area.
Speakers play a recording of thunder, adding to the realism.
The birds and sloths are much more comfortable in the forested areas away from visitors. In the evening the doors are closed at the entrance and exit of the rainforest habitat. This prevents the birds and other animals from wandering away from the gallery overnight. Its Future and Our Own. In Amazon Portraits .