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Artículos sobre Endangered species

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An ivory-billed woodpecker on display at the California Academy of Sciences. The U.S. government is preparing to declare them extinct. (AP Photo/Haven Daley)

The ‘Lord God Bird’ might be extinct, but the story of the ivory-billed woodpecker isn’t over yet

It’s been 80 years since the last undisputed sighting of the striking black-and-white bird. The U.S. government believes the ivory-billed woodpecker is extinct — but many will keep searching for it.
Sharks and rays have ruled the ocean for 420 million years, but that reign may be slipping. (Mark Erdmann)

Sharks and rays are in free fall: More than one-third are threatened with extinction from overfishing

Nearly all species of sharks and rays are captured in fishing operations. But research shows that fishing quotas and closing some areas to fishing can help rebuild threatened populations.
Crowds gather at dusk in Austin, Texas, to watch some 1.5 million Mexican free-tailed bats emerge to feed from their roost under the Congress Avenue Bridge. Jeff Haynes/AFP via Getty Images

Artificial intelligence can help highway departments find bats roosting under bridges

Bats roost under bridges and culverts across North America, so highway departments have to check for them before repairing bridges. A new AI tool makes those inspections faster and more accurate.
Shutterstock/Rudmer Zwerver

Tuatara are ancient, slow and endangered. But their super speedy sperm could boost conservation efforts

The male anatomy of tuatara, the last representatives of an ancient lineage, is unique among reptiles. They lack a penis, which has made sperm collection a major challenge – until now.

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