Canadian ‘Super pigs’ pose threat to U.S.
Larger and more cold-hardy, these feral swine present new risks
Watch: Unknown jaguar appears on Arizona trail camera
Biologists say the cat doesn’t match two other jaguars in the area
2023 was hottest year on record
Warming temperatures brought extreme weather events
First polar bear dies of avian flu
The carcass was found on Alaska’s North Slope
Humans caused bird extinction throughout history
Using statistical modeling, researchers uncovered major extinction events
Watch: Tiny technology tracks Tucson bats
The system uses small transmitters to track the bats’ foraging behavior
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Wandering Mexican wolf recaptured
Wildlife officials are pairing the wolf with a mate in captivity
Concerns arise over American chestnut project
Researchers are trying to restore the iconic tree through genetic engineering
New Year’s Eve fireworks aren’t for the birds
Fireworks trigger an “unprecedented flight response”
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