invasive species

Invasive Pythons Can Find Home 20 Miles Away, Study Says

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 ...

Alien Cockroach Species Invading the U.S.

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 ...

Praying Mantises Falling Victim to Sex Cannibal

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 ...

Asian Carp Reproducing Naturally in Great Lakes Tributary

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 ...

A River Recovering: Australia’s Upper Snowy River

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 ...

A River Recovering: Australia’s Upper Snowy River

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 ...

Invasive Spiny Water Flea Reaches Lake Champlain Basin

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 ...