... animalsexhibiting, 15TTraining programs, 22–23Trumpeter swans, 71 110 Zoos and Animal Welfare Zoos_ ITCY_v5.qxd 11/5/07 5:32 PM Page 110 Cover: AP ImagesAP Images, 9, 16, 19, 25, 30, 35, 41, 49, ... 49–50breeding at zoos, 82 zoos rescue, 71Enrichment programs, 19Ethicson keeping animals incaptivity, 67–68on using zoos for speciespreservation, 78–79Euthanasia, 53, 55–56Extinction, 10, 72See ... ranches, 48–49, 57,91Index 109 Zoos_ ITCY_v5.qxd 11/5/07 5:32 PM Page 109 IInternational Union for theConservation of Nature(IUCN), 80KKellert, Stephen, 65LThe Last Panda (Schaller),91Lindburg,...