Feral pigs are a destructive invasive species across much of North America. In a recent study, forest patches where feral pigs were present had fewer mammal and bird species than swine-free zones.
The fate of deer carcasses is a crucial consideration in monitoring the success of future culling.
Emma Spencer
The NSW government has announced plans to remove feral deer from its list of official game animals. With careful monitoring, the resulting free-for-all could help curb their booming numbers.
Invasive pest ants cause billions of dollars worth of damage to crops, and threaten some of Australia’s World Heritage rainforests. The federal budget has pledged nearly $30m on wiping them out – but how?
Phragmites, an invasive species, line this marsh at Sachuest Point in Middletown, Rhode island.
Tom Sturm/USFWS
Phragmites australis, an invasive reed, has taken over wetlands across the US. But it also stabilizes shorelines and harbors many fish and birds. Is it time to compromise with this alien?
The Mossy Red-eyed Frog is among hundreds of species threatened with extinction at the hands of chytrid fungus.
Jonathan Kolby/Honduras Amphibian Rescue and Conservation Center
Chytrid fungus has caused declines in 501 amphibian species, according to a new analysis. Most of the damage happened in the 1980s, before the fungus itself was even discovered.
Fire ant stings can be deadly to people who have an allergic reaction to their venom.
Forest and Kim Starr/Flickr
Tasmania wasn’t the only part of Australia that burned in January. The remote interior near Alice Springs saw a huge blaze, worsened by invasive buffel grass.
There are 130 billion gallons of water in Wisconsin’s Lake Mendota, and now, trillions of spiny water fleas.
Corey Coyle/Wikimedia
It’s cheaper to prevent biological invasions than to react after they happen. But it’s hard to detect invaders while there are still just a few of them. Knowing when and where to look can help.
Spawning sockeye salmon make their way up the Adams River near Chase, B.C.
THE CANADIAN PRESS/Jonathan Hayward
New genetic knowledge about cane toads could give us the knowledge we need to throw some more roadblocks in front of this persistent invader as it marches across Australia.
Controlling rabbit populations has a key role in conserving Australia’s native plants and animals
William Booth