Ziggy (dog) and Rozi (cheetah) play with a stuffed animal at the Taronga Western Plains Zoo Dubbo in Australia.

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A Lonely Cheetah Cub at an Australian Zoo Now Has an Unlikely ‘Best Friend’—a Puppy

While the companionship might seem surprising, zoos have been pairing sibling-less cheetah cubs with dogs for decades to improve their socialization

The leaf-toed gecko has been rediscovered on Rábida Island in the Galápagos.

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Small, Secretive Gecko Rediscovered in the Galápagos After Scientists Eliminate Invasive Rats

Researchers thought leaf-toed geckos were locally extinct on Rábida Island, so they were thrilled to find several of the lizards alive and well during 2019 and 2021 expeditions

The charismatic salamanders known as axolotls can survive in the wild despite being bred in captivity, according to a new study.

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Captive-Bred Axolotls Can Survive in the Wild, Offering Hope for the Critically Endangered Amphibians

The popular salamanders are nearly extinct in the wild, where they are confined to a small system of canals in Mexico City. But a new study suggests released axolotls could thrive in their natural habitat as well as artificial wetlands

Eastern quolls went extinct on mainland Australia in 1963.

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See Eastern Quolls Get Released on Mainland Australia in a New Bid to Re-establish the ‘Magic Little Animal’

Conservationists recently introduced 15 of the polka-dotted marsupials into a protected area of New South Wales

Before she went missing on Kangaroo Island, Valerie slept in bed with her human parents and enjoyed spending time indoors.

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Valerie the Miniature Dachshund Has Been Rescued After Surviving for 529 Days on a Rugged Australian Island

The eight-pound pup is now decompressing after her epic adventure in the wilderness, a feat rescuers say was “just incredible”

A female Guam kingfisher (left) and a male (right) perch on a branch on Palmyra Atoll.

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Biologists Rejoice as Extremely Rare Guam Kingfishers Lay Their First Wild Eggs in Nearly 40 Years

The brightly colored birds are extinct in the wild, having disappeared from their native Guam in 1988 due to the introduction of the invasive brown tree snake. But now, they’re starting to make a comeback on Palmyra Atoll

More than 1,300 tiny snails were released into the wild after a captive breeding effort. One baby snail is shown here on a British five pence coin.

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Once Feared Extinct, 1,329 Pea-Sized Snails Have Been Released on an Atlantic Island After Captive Breeding Effort

Goats, rodents and habitat loss threatened the snails on Deserta Grande Island, so the mollusks were reintroduced on a neighboring island that’s free of invasive species

The invasive northern giant hornet, also called a murder hornet, has been eradicated from the United States.

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Officials Declare the U.S. Free of ‘Murder Hornets’ in a Rare Victory Against an Invasive Insect

Five years after the first sighting in Washington state, intense efforts have eradicated the bee-killing hornets from the nation

Sombrero ground lizards (Pholidoscelis corvinus) are endemic to Sombrero Island, north of Anguilla, which means they're found nowhere else on the planet.

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This Once-Rare Lizard Bounced Back From the Brink of Extinction After ‘Painstaking’ Restoration Efforts in the Caribbean

In 2018, fewer than 100 Sombrero ground lizards remained on Sombrero Island—but now, more than 1,600 of the critically endangered reptiles are scampering around the limestone landscape

Siberian tigers Boris and Svetlaya lounge together in the wild. Boris walked 120 miles to reunite with her after their release from a rehabilitation program.

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Two Orphaned Siberian Tigers Reunite as Mates After a 120-Mile Trek Through Russian Wilderness

Conservationists hope the love story between Boris and Svetlaya might indicate a new, successful chapter in tiger repopulation efforts