![]() The number of different movable objects was negatively correlated with watching the visitors. Visitor number and activity was observed with scan and one-zero sampling. Data of behaviours were collected by one-zero sampling (locomotion, dominance, display, aggression, positive contact, social play, abnormal behaviours, watching of the visitors, visitor- directed display), the whereabouts of each group member by scan sampling. The gorillas lived in 17 indoor and 11 outdoor enclosures with glass (15), moat (11) and bars (2). Gorillas were studied in 15 zoos, they lived in 14 groups with male and female adults and immatures, 2 groups of adults without immatures, 3 adult pairs, 2 solitary silverbacks and several groups of immatures. The purpose of this study was to observe as many gorilla groups as possible and to compare their behaviour in different exhibits, social structures and visitor situation. ![]() Ending the Slaughter of Nonambulatory Pigs.State Wildlife Agency Contact Information.How to Communicate Effectively with Legislators.United States Legislative Information (external link).Preventing Animal Cruelty and Torture (PACT) Act.Farm Animal Anti-Confinement Legislation.Cetacean Anti-Captivity Legislation and Laws.Anti-whistleblower (“Ag-Gag”) Legislation.Traveling Exotic Animal and Public Safety Protection Act. ![]()
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