(end) . 100 young and 62 others The remaining pair of turtles was released in the lower Colorado River on March 8, 1956. This release was part of a program to re-establish wild populations of giant tortoises in areas where they had been extirpated by over-collection for food or other purposes. Prior to this date, no giant tortoise had been released into the wild since 1937 when two individuals were captured from Mexico and sent to San Diego Zoo. These animals died shortly after arrival due to stress caused by transportation conditions. Since then, efforts have focused on breeding programs aimed at increasing numbers of captive-born specimens before reintroducing them back into their natural habitat. In addition, conservationists continue working closely with local communities living near potential release sites so that traditional cultural practices involving these creatures can coexist harmoniously alongside modern wildlife management strategies. Furthermore, educational outreach initiatives aim to raise awareness among younger generations about importance of protecting endangered species like giant tortoises through various media channels including books, films, documentaries etcetera. Finally, ongoing research projects seek better understanding regarding physiological adaptations required for successful survival under diverse environmental circumstances faced throughout history within native ranges across Americas continent.