It shows a soaring California condor, a huge, dusty-black carrion-eating vulture rendered nearly extinct by persecution, habitat destruction and poisoning from lead-contaminated carcasses. By the late 1980s only twenty-seven birds remained, and in a last-ditch effort to save the species they were trapped and taken into captivity so that their domestic-bred young could be used to repopulate the wild. Some people tried to stop this happening.

