Bears

This April 29, 2019 photo provided by the United States Geological Survey shows a grizzly bear and a cub along the Gibbon River in Yellowstone National Park, Wyo. Wildlife officials say grizzly bear numbers are holding steady in the Northern Rockies as plans to hunt the animals in two states remain tied up in a legal dispute. (Frank van Manen/The United States Geological Survey via AP)

This April 29, 2019 photo provided by the United States Geological Survey shows a grizzly bear and a cub along the Gibbon River in Yellowstone National Park, Wyo. Wildlife officials say grizzly bear numbers are holding steady in the Northern Rockies as plans to hunt the animals in two states remain tied up in a legal dispute. (Frank van Manen/The United States Geological Survey via AP)

FILE - In this file photo taken at Schoenbrunn zoo in Vienna, on Aug. 10, 2009, panda Fu Long, left, plays with his mother Yang Yang in the outdoor enclosure. A senior Chinese official has officially handed over a 19-year-old male giant panda to Vienna’s Schoenbrunn zoo. Yuan Yuan arrived in Vienna last month and has spent the last few weeks in quarantine. He was chosen as a partner for Yang Yang, the zoo’s 18-year-old female panda, who has been at the zoo since 2003 but without a companion since its previous male, Long Hui, died of cancer in 2016. (AP Photo/Lilli Strauss)

FILE - This undated file photo provided by the Montana Fish, Wildlife and Parks shows a sow grizzly bear spotted near Camas in northwestern Montana. Native American tribes are seeking permanent protections for the bruins, which would outlaw hunting regardless of the species' population size. (Montana Fish, Wildlife and Parks via AP, File)

FILE - This May 8, 2017, file photo, shows Arch Canyon within Bears Ears National Monument in Utah. The selections for the 15-person Bears Ears National Monument panel posted online Friday, April 19, 2019 by the U.S. Bureau of Land Management reveal a few people who seem to strike a middle ground, but nobody who was an outspoken proponent of the monument created by President Barack Obama in December 2016. (Francisco Kjolseth/The Salt Lake Tribune via AP, File)

The boxes carrying two Giant Pandas named Xing Er and Mao Sun is unloaded from the plane on its arrival at Copenhagen Airport, Thursday April 4, 2019. (Liselotte Sabroe/Ritzau Scanpix via AP)

Male panda Jiao Qing eats bamboo in its enclosure at the Zoo in Berlin, Germany, Friday, April 5, 2019. (AP Photo/Michael Sohn)

The polar bear cub Hertha plays with a ball of soccer club Hertha BSC, after the announcing of her name, at the Tierpark zoo in Berlin, Tuesday, April 2, 2019. The Berlin soccer club is the sponsor of the bear and decide for the name of the animal, who was born Dec. 1, 2018 at the Tierpark. (AP Photo/Markus Schreiber)