The Australian government announced a recent contraband haul that would make even the most hardened agent’s skin crawl.

Australian officials say they confiscated more than 100,000 illegal live cockroaches from a breeder in May in the country's largest-ever seizure of exotic invertebrates.

Native Australian animals evolved in isolation for tens of millions of years, which leaves them poorly equipped to fend off introduced predators and competitors, according to the Invasive Species Coun...