giant tortoise and ploughshare tortoise in the back

amphibian amphibians angonoka angulated back background bask basking big breed bright brown captivity carapace conservation crawl critically dark domed endangered extinct extinction feed feeding foreground front giant hard harsh heavy huge land large life light long longevity madagascar midday pattern patterns ploughshare poach poached poaching reptile reptiles resilience resilient scale scales shadow shadows shell shells singapore slow snail some species sun tortoise tortoises tough under zoo