Laura learns how positive reinforcement helps zookeepers care for elephants

Name: Laura learns how positive reinforcement helps zookeepers care for elephants
Uploaded: 2020-07-16T14:14:58+00:00
Duration: 3 min 49 s
Description: Laura learns how positive reinforcement helps zookeepers care for elephants

Posted September 10, 2014 8:45am CDT