How We Ended Up With an Invasive Species as a Pet

Our son's pet frog was a birthday gift about 15 years ago. It turns out he's an invasive species with an interesting scientific history.

What are invasive species? How the foreign intruders cause chaos

Have invasive species caused any extinctions?

Unwelcome and tough to evict: California's costly, uphill battle against invasive species – Santa Cruz Sentinel

NRA Hunters' Leadership Forum Hunt 24/7 by Helping to Control Invasive Species

Once They Were Pets. Now Giant Goldfish Are Menacing the Great Lakes. - The New York Times

Invasive Fish Species and the Aquarist

How We Ended Up With an Invasive Species as a Pet

Pets as Invasive Species: Amphibians and Reptiles

Explainer: What is an invasive species?