The CDC issues new rules for bringing dogs into the U.S., aimed at keeping out rabies The CDC announced stricter regulations for importing dogs from abroad — or traveling internationally with your furry companions. Rob Stein
Red wolf raised at Washington state sanctuary joins wild pack, sires 8 pups An endangered American red wolf born and raised in a Washington state sanctuary and released into the wild earlier this year in North Carolina has fathered a litter of eight pups, doubling the size of his adopted pack. Stephen Howie
What are sperm whales saying? Researchers find a complex 'alphabet' Researchers say sperm whales have a complex communication system, an example of how new technology is opening up the mysterious world of animal language. Lauren Sommer
Scientists study the mysteries of bird migration in the mountains of Los Angeles Every spring, a remarkable sight unfolds in the San Gabriel Mountains north of Los Angeles, as thousands of songbirds fly north. Ailsa Chang
Why more than 1,000 sea lions are lounging at Pier 39 in San Francisco That's double the numbers that usually show up on the custom floating piers — and a number that hasn't been seen since the early 90s. It turns out a large school of anchovy is the appeal.
An old horse named Razzle Dazzle and a loaf of white bread: Inside the runaway zebra rescue Isolde Raftery
A seafood bounty lures sea lions to S.F.'s Pier 39 in numbers not seen in 15 years It's a popular rest stop for sea lions, but the docks at the tourist hot spot these days are unusually packed out with the slippery residents. Conservationists are buoyed by the surge in visitors. Emma Bowman
Orangutan in the wild applied medicinal plant to heal its own injury, biologists say It is "the first known case of active wound treatment in a wild animal with a medical plant," biologist Isabelle Laumer told NPR. She says the orangutan, called Rakus, is now thriving. Bill Chappell
North Bend businesses have a lot riding on that lost zebra The renegade zebra on the lam has brought international attention to the tiny town of North Bend, Washington. Now, local business owners are wondering if they can get a piece of the action. It all depends on the zebra's fate. Joshua McNichols
Have you seen this emotional support gator? Wally's owner says he's lost in Georgia Wally has many fans in Pennsylvania and across social media. His owner is enlisting their help, saying Wally was kidnapped, located by a trapper and released into a swamp while vacationing in Georgia. Rachel Treisman
