The Wyoming toad population in 1985 totaled 16. Today, there are 1,500 and it remains as one of 12 endangered species in the state. Cooper McKim/Wyoming Public Radio hide caption

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Cooper McKim/Wyoming Public Radio

Wyoming Toads Begin To Recover As States Seek Endangered Species Act Overhaul

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Three giraffes and a white rhino laze in the Serengeti National Park in Tanzania in 2012. The global giraffe population has dropped sharply in recent decades, prompting wildlife groups to urge the giraffe's addition to the endangered species list. Barbara Hollweg/IFAW hide caption

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Barbara Hollweg/IFAW

A Socorro dove perches at the Africam Safari Zoo in Puebla, Mexico. Scientists are planning to bring the dove species back to Socorro Island, the dove's ancestral home. Loretta Williams for NPR hide caption

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Loretta Williams for NPR

Move Over, Sheep. Doves Are Returning Home To Tiny Island Of Socorro

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Portland's Gulf of Maine Research Institute has designed a trawl net that aims to target species that can still be profitable while avoiding cod. Courtesy of Gulf of Maine Research Institute hide caption

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Courtesy of Gulf of Maine Research Institute

A pangolin carries its baby at a zoo in Bali, Indonesia. Delegates at a U.N. wildlife conference have voted to ban commercial trade in all eight species of pangolin. Firdia Lisnawati/AP hide caption

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Firdia Lisnawati/AP

A humpback whale breaches Aug. 6 close to a whale-watching boat off the coast of Long Beach, Calif. Most humpbacks off the Western U.S. remain endangered, but 9 of 13 populations worldwide are considered stable enough to remove the designation, it was announced Sept. 6. Nick Ut/AP hide caption

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Nick Ut/AP

A Santa Catalina Island fox pup dashes into the wilderness after being released on Santa Catalina Island off the coast of Southern California. The Catalina Island fox was one of the world's most endangered species, but it has been upgraded to "threatened." Kevork Djansezian/AP hide caption

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Kevork Djansezian/AP

A rhino wakes up after its horn was trimmed at John Hume's Rhino Ranch in Klerksdorp, South Africa, on Feb. 3. South Africa's highest court is preparing to decide whether to uphold the country's domestic ban on trading rhino horn. John Hume is a private rhino owner and breeder who advocates for legalizing trade. Mujahid Safodien /AFP/Getty Images hide caption

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Mujahid Safodien /AFP/Getty Images

If South Africa Lifts The Ban On Trading Rhino Horns, Will Rhinos Benefit?

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Scientists in California are turning to big data to help save the red-legged frog, which is listed as threatened under the Endangered Species Act. Gary Kittleson hide caption

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Gary Kittleson

Using Algorithms To Catch The Sounds Of Endangered Frogs

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