invasive species

By Erica Cirino Florida is struggling with a fast-increasing population of invasive green iguanas that began as a small group of released and escaped pets. Thriving in the warm sunshine and humid climate, experts believe hundreds of thousands of nonnative iguanas now call the Sunshine State “home.” There, state conservation officials claim they threaten the...

For Burmese pythons, there’s no place like home—and now a new study shows the snakes can navigate from over 20 miles (36 kilometers) away to get there. At up to 18.8 feet (5.7 meters) long, Burmese pythons are among the world’s largest snakes, and they have become notorious in the past decade as one of...

Every week, embark with host Boyd Matson on an exploration of the latest discoveries and interviews with some of the most fascinating people on the planet, on National Geographic Weekend. Please check listings near you to find the best way to listen to National Geographic Weekend on radio, or listen below! Hour 1 – Mountains can be haunting for their beauty and...

New York City, home to eight million people and untold numbers of cockroaches, just got a few more of the latter. A newly seen species, Periplaneta japonica, has just been discovered in New York’s elevated High Line park. As its name implies, the cockroach is native to Japan, and this is the first time it’s been...

By James Owen The only praying mantis native to New Zealand has developed a fatal attraction for a cannibal invader whose females devour its mates after sex, scientists report. Males of the New Zealand mantis (Orthodera novaezealandiae) are being seduced into serving themselves up as meals to females of the springbok mantis (Miomantis caffra), a...

Evidence was found of grass carp living and breeding in the Sandusky River, Ohio. Photo credit: Peter Halasz. Scientists have confirmed for the first time that a species of the dreaded Asian carp has reproduced naturally in a Great Lakes tributary. While not the variety of Asian carp experts fear will do the most harm...

By Kelvin Montagu You could hear the roar. It reverberated between the soaring ridges of the Byadbo Wilderness in Australia’s Kosciusko National Park. The sound of nature’s raw power as sixty thousand tonnes of water each hour crashed down the Snowy Falls. It was a sound few had heard in the last forty years as...

By Kelvin Montagu You could hear the roar. It reverberated between the soaring ridges of the Byadbo Wilderness in Australia’s Kosciusko National Park. The sound of nature’s raw power as sixty thousand tonnes of water each hour crashed down the Snowy Falls. It was a sound few had heard in the last forty years as...

Sign at the intersection of the Erie and Champlain canal systems. Photo: Lisa Borre   Last month, the spiny water flea, a tiny shrimp-like organism native to Europe and Asia, was discovered on the “doorstep” of Lake Champlain. Researchers found it in a canal that connects Lake Champlain to the Hudson River, and then a...