game management

In the second half of the 20th century, with species extinction being a concern of conservationists, hunting was no longer feasible in some places.

…were made to establish a captive breeding flock in zoos. Because of excessive mortality from lead poisoning and shooting, the wild population continued to decline, and in 1987 the last free-flying survivor was trapped and taken into protective captivity. The first successful captive breeding occurred in 1988, and numerous captive…