Tuna, seen on display last year at a fish market in Mexico City. The World Trade Organization dealt Mexico a defeat on appeal Friday, dismissing the country's argument that labeling regulations in the U.S. violated WTO rules. Henry Romero/Reuters hide caption
Lorrie Scheppler, a Cape resident, had a rat problem in her apartment in West Dennis, Mass. Courtesy of Lorrie Scheppler hide caption
Reporter Nate Hegyi helps butcher an elk during a hunting workshop in McCall, Idaho. Michael Hegyi hide caption
Roger the kangaroo gained fame for his muscular build. He died at 12 years old. Courtesy of The Kangaroo Sanctuary hide caption
Lola of Jason Breslow's family, as pictured from a rooftop in Cobble Hill, Brooklyn, N.Y. Ryan Brenizer/NPR hide caption
Researchers say they've found a way to let queen bees pass on immunity to a devastating disease called American foulbrood. The infectious disease is so deadly, many states and beekeeping groups recommend burning any hive that's been infected. Here, a frame from a normal hive is seen in a photo from 2017. Bernadett Szabo/Reuters hide caption
Wisdom, the 68-year-old albatross, has still got it going on. Here she is incubating her egg this week at the Midway Atoll National Wildlife Refuge. Madalyn Riley/USFWS Volunteer/Flickr hide caption
Tristram Stuart on the TED stage. Dafydd Jones/TED hide caption
Kate Orff on the TED stage James Duncan Davidson/TED hide caption
The FDA issued an alert following reports of vitamin D toxicity in dogs (not this one). Several dry dog food brands have been recalled. Loop Images/UIG via Getty Images hide caption
Holstein Friesian are a breed of dairy cattle and this week, one of those cattle made big news for its size. Not pictured here. Mike Kemp/Getty Images hide caption
Scientists are concerned the seismic activity could harm animals such as humpback whales. Eva Hambach/AFP/Getty Images hide caption
The beached pilot whales lie in clusters, dead on the shore of Hanson Bay in the Chatham Islands. Workers with New Zealand's Department of Conservation sought to prepare the 51 bodies for burial Friday. Department of Conservation New Zealand via Reuters hide caption
A pair of California sea lions nuzzles on a dock in San Francisco. Between 1998 and 2017, nearly 700 California sea lions were found with gunshot and stab wounds in California, Oregon and Washington. Don Emmert /AFP/Getty Images hide caption
San Diego City Attorney Mara Elliott (middle) and California State Senator Toni Atkins (second, right) stand with officers from California's Department of Fish and Wildlife. The group announced charges in an ivory trafficking case Tuesday. Hilary Nemchik/San Diego City Attorney's Office hide caption
Rhino horns are prized in Asian countries and can garner tens of thousands of dollars per pound. Wildlife conservationists argue that the appetite for the endangered species' appendage in legal and illegal markets has decimated the population across Africa. Raymond Roig/AFP/Getty Images hide caption
As many as 145 pilot whales lie beached Sunday at Mason Bay, on Stewart Island, New Zealand. A hiker reported the mass stranding on Saturday. New Zealand Department of Conservation via AP hide caption
Michael Sprague with the Mass Audubon's turtle rescue program helps recover a stranded sea turtle in December 2014. In recent days, more than 200 turtles have washed up in Cape Cod because of a phenomenon known as "cold-stunning." David L. Ryan/Boston Globe via Getty Images hide caption
Olive, a pet pigeon now famous for wearing a bedazzled vest, was reunited with her family in Phoenix, on Tuesday, after nearly two weeks. Jody Kieran/Fallen Feathers hide caption
A cat's tongue is covered in hundreds of tiny, backward-facing spines called papillae that help to keep the animal clean. Researchers have discovered that papillae are scoop-shaped and hollow, which allows the spines to store and hold saliva. Candler Hobbs/Georgia Institute of Technology, Atlanta/AFP/Getty Images hide caption
Turkey production peaked at about 6.2 million pounds in 2008, but has since remained stable. Justin Sullivan/Getty Images hide caption
Researchers collect samples from the carcass of a dead whale at Wakatobi National Park in Southeast Sulawesi, Indonesia. Muhammad Irpan Sejati Tassakka/AKKP Wakatobi via AP hide caption
