Despite the beliefs of animal rights activists, many captive animals welcome their training.
Some work was also done on captive animals in the few zoos of the time.
One researcher notes that captive animals just don't seem to talk the same language as their jungle cousins.
Next to nothing is known about their life history in the wild, though limited information has been gathered on captive animals.
Knowledge of social interactions is limited to information gathered from captive animals.
But other scholars see little connection to wild nature in a captive animal.
One had clearly been a captive animal, and the other appeared to be one as well.
Observations of captive animals indicate food may be taken into the mouth by suction.
The longevity record for a captive animal was almost 23 years.
As a result, most of the captive animals in the enclosure are obese.