Taiwan plans to cull up to 120,000 green iguanas, with supporters urging humane methods to bring down the animal’s population, which is wreaking havoc on the island’s agricultural sector. Taiwan plans to cull up to 120,000 green iguanas, with supporters urging humane methods to bring down the animal’s population, which is wreaking havoc on the island’s agricultural sector. Ecology Phys.org – latest science and technology news stories