Submitted by Bob Burton on
David Hancocks, a former director and architect of zoos in the United States and Australia, is skeptical of the conservation benefits often claimed by zoos. While many zoos tout breeding as a success story, Hancocks sees it as "merely basic zoo business: zoos must breed their animals to preserve their collections. Hardly any animals born in zoos are introduced to the wild." Despite this, he wrote in an opinion column, "They nonetheless loudly position themselves as leaders in wildlife conservation.