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Australia's Most Infamous Invasive Species Has a Problem with Breeding

Cane toads were first released in Australia in 1935 as part of a government program to control the insects attacking the Queensland cane crop. It didn’t work. Ever since, the toads have been spreading across the country, as fast as they can breed. Which would be even faster, if it weren’t for an odd quirk in their… » 7/14/15 7:15pm 7/14/15 7:15pm

This Creepy Invasive Plant Is Wreaking Havoc In North America

The Giant hogweed, a long-stemmed plant originally from Central Asia, is currently spreading like wildfire around certain parts of the United States and Canada. Not only is it drowning out the local flora, it's also a noxious weed that, when touched, can cause blisters, long-lasting scars — and even blindness. » 7/17/14 4:40pm 7/17/14 4:40pm

Invasive 'crazy ants' are nastier and far tougher than we imagined

There's an arms race going on right now between two species of invading ants, the tawny crazy ant and the fire ant. These arch-rivals are currently warring for dominance in the southern U.S., but it now appears the crazies are going to win — the result of a remarkable chemical defensive measure. » 2/13/14 11:20am 2/13/14 11:20am

Is New York about to be invaded by ice-loving cockroaches?

Last year, workers in New York City's High Line park found some unusual-looking cockroaches they'd never seen before. And now, two biologists have identified the bugs as a species from Japan, pictured here (male on the left, female on the right) which can survive in icy weather that kills typical American roaches. New… » 12/09/13 10:46am 12/09/13 10:46am

U.S. To Drop Toxic Mice On Guam's Invasive Snakes

Last September we told you about how snakes are turning Guam into a spider-infested horror show. The island's brown tree snake population has reached epic proportions and is now threatening Guam's native bird species, along with neighboring islands. But where the U.S. government dropped shells on the island back in… » 2/22/13 11:20am 2/22/13 11:20am