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Articles on Invasive species

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The Asian honey bee (Apis cerana) has been found in Cairns. It’s just one of the introduced bees buzzing under the radar. Tobias Smith

Aussie scientists need your help keeping track of bees (please)

Bees innocuously buzzing ‘round the birdbath may be a barometer for burgeoning bee invasions.
Cities around the world appear to be harboring increasing numbers of rats, including this one: the inflatable ‘Scabby the Rat.’ robert cicchetti/Shutterstock.com

Super rats or sickly rodents? Our war against urban rats could be leading to swift evolutionary changes

Cities often embark upon drastic and expensive eradication campaigns designed to rapidly rid the city of pests like rats. But are the surviving rats stronger or weaker than before?
Extreme flooding during Hurricane Maria in 2017 was hazardous for the Puerto Rican people. But a new study finds that it helped native fish populations rebound after years of drought. AP Photo/Alvin Baez

Caribbean fish love catastrophic hurricanes

Big storms with lots of flooding, like hurricanes Dorian and Maria, actually restore the Caribbean’s delicate balance between native and nonnative fish species, new research finds.
Wild boar in a swamp in Slidell, Louisiana. AP Photo/Rebecca Santana

Feral pigs harm wildlife and biodiversity as well as crops

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.
Argentine ants are a fact of life in many parts of Australia, but can still potentially be banished from Norfolk Island. Davefoc/Wikimedia Commons

Invasive ants: federal budget takes aim but will it be a lethal shot?

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?

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