Invasive Species

The critically endangered ‘akē‘akē (the Hawaiian name for the band-rumped storm petrel) is one of the species that could benefit from rat-free habitat on Lehua Island, Hawai‘i.

This Tiny Hawaiian Island Is Free of Invasive Rats

Now scientists are trying to coax back lost seabird colonies

Yellow crazy ants (Anoplolepis gracilipes)

These Male Ants Have Two Separate Sets of DNA

A genetic condition called chimerism may have helped yellow crazy ants become a dominating invasive species, a new study suggests

Black widows are the most venomous spider in North America, with venom about 15 times as potent as a rattlesnake's.

Black Widow Spiders Are Being Killed Off by Non-Native Brown Widows

Despite their reputation as fearsome predators, black widows are on the defensive due to attacks by their cousins, a study shows

Marion Island is home to a quarter of all wandering albatrosses in the world.

The Ambitious Plan to Stop Mice From Eating Seabirds

Conservationists want to clear Marion Island of the pests, which are wreaking havoc on albatross and other nesting species

Wild pigs have been in the southern United States for hundreds of years.

Destructive 'Super Pigs' From Canada Threaten the Northern U.S.

The animals root through crops, prey on native species, cause soil erosion and carry pathogens that can spread to humans

Steps lead to one of the pools that Louise du Pont Crowninshield had built among the remains of the former powder mill.

An Abandoned, Industrial Ruin Bursts With New Life in Delaware

Thanks to a few horticulturalists with an eye for history, a garden lost to time peeks out from the creeping vines

Park rangers found Toadzilla while conducting track work.

At Almost Six Pounds, ‘Toadzilla’ May Be the Largest Toad Ever Found

Captured in a national park in Australia, the cane toad was later euthanized due to the invasive animal’s threat to the environment

Our ten-most read stories of the year featured the all-woman army of the African kingdom of Dahomey, mischievous felines, J.R.R. Tolkien and more.

Our Top Ten Stories of 2022

From a teen inventor to invasive fish to lost cities of the Amazon, these were our most-read articles of the year

Professor Bruce Jayne demonstrates how wide a Burmese python can open its mouth to swallow prey.

Here’s How Burmese Pythons Eat Such Big Prey

Stretchy connective tissue between the snakes' cranium and lower jaw allows them to open their mouth four times wider than their skull

Humans have come up with a number of wacky methods to keep animals deemed "vermin" in check.

Seven of the Wildest and Weirdest Attempts to Curb Animal Pests

Why use fences or traps, when you can use deadly viruses or lustful snakes?

Andy Hackett and "The Carrot"

Angler Reels in 67-Pound Goldfish in France

British fisherman Andy Hackett caught and released the colossal creature, nicknamed "The Carrot," while casting at a private fishery

Participants of the 2022 Florida Python Challenge captured a total of 231 invasive pythons during the ten-day competition. 

Florida Teen Wins $10,000 for Hunting Invasive Pythons

The annual Florida Python Challenge combats the destructive snakes, which have taken over the Everglades

Australia is home to roughly 200 million rabbits, which are not native to the country and damage crops and ecosystems. 

How Two Dozen Rabbits Started an Ecological Invasion in Australia

The country’s “most serious pests” can be traced to one shipment from England in 1859, study shows

A male bison atop an arid hillside on Santa Catalina Island in California.

The Uneasy Future of Catalina Island's Wild Bison

One of Hollywood’s weirdest legacies, the herd of beasts lives under the watchful eye of local conservationists

A homeowner spotted the moth on the wall of his garage in early July.

First U.S. Sighting of Massive Atlas Moth Confirmed

The insect may have escaped from an illegal cocoon-selling operation

An adult spotted lanternfly

People Are ‘Hunting’ Invasive Spotted Lanternflies—and You Should, Too

Officials urge the public to squish the bugs, which are damaging crops and trees in the eastern U.S.

In Blaine, Washington, after the 2020 appearance of the two-inch long invasive species Vespa mandarinia (above: Washington State entomologist Chris Looney holds a native bald-faced hornet to compare it with the huge size of the invader), scientists worked to eradicate it.

Giant 'Murder' Hornet Has Landed at the Natural History Museum

After scientists studied the invasive insect, visitors are getting a first look at the fierce creature that could wreak havoc on U.S. agriculture

A green crab, Carcinus maenas

New Hampshire Distillery Makes Whiskey Out of Invasive Crabs

Each bottle uses about one pound of green crabs

The female python weighed 215 pounds and measured 18 feet long.

Florida Biologists Capture Record-Breaking 215-Pound Python

Invasive Burmese pythons are wreaking havoc on native wildlife and ecosystems in the Everglades

One reader wonders: Since purple dye was scarce, why didn’t people just combine blue and red?

Why Was Purple the Color of Royalty? And More Questions From Our Readers

You've got questions. We've got experts.

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