bears

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)

This 2017 photo provided by the Museum of Northern Arizona shows an unidentified man wearing a headpiece fashioned out of an animal hide at the Navajo Festival of Arts and Culture in Flagstaff, Ariz. The hide did not come from a state wildlife repository, but the photo shows how Native Americans use animal parts for religious and cultural purposes. Arizona wildlife officials are on the lookout for bear, bison, badger and other carcasses for Native Americans' religious and cultural use under a unique new program that allows tribes to make requests for various animal parts. (Ryan Williams/Museum of Northern Arizona via AP)

This undated electron microscope image provided by William Miller of Baker University in March 2019 shows a tardigrade of the class Heterotardigrada, also known as a "water bear." The small animals, about the size of a period, are able to survive extreme heat, cold, radiation and even the vacuum of space. (William Miller via AP)

In this Wednesday, March 6, 2019 photo, Alexander Fyodorov, owner and founder of Veles Center, a rehabilitation shelter for wild animals, looks at Bear Masha who lost a leg, in Rappolovo village, outside St. Petersburg, Russia. Some 200 wild animals are receiving care at the Veles Center, an out-of-the-way operation regarded as Russia's premier facility for rehabilitating creatures that were abandoned or fell victim to human callousness. (AP Photo/Dmitri Lovetsky)

A female polar bear baby walks with its mother Tonja through their enclosure at the Tierpark zoo in Berlin, Friday, March 15, 2019. The still unnamed bear, born Dec. 1, 2018 at the Tierpark, is presented to the public for the first time. (AP Photo/Markus Schreiber)

A little female polar bear watches the camera after its first examination by the animal doctors at the zoo in Berlin, Germany, Thursday, Feb. 14, 2019. The still unnamed bear was born Dec. 1, 2018 at the zoo. (Steffen Freiling/Berlin Zoo via AP)

In this image taken from video, a mother polar polar bear and two cubs walk across the courtyard of a residential block, Monday, Feb. 11, 2019, in Belushya Guba, Novaya Zemlya, Russia. Russian wildlife specialists are heading to the Arctic archipelago to try to resolve why the polar bears have moved into the area. More than 50 bears have been spotted in the archipelago’s main town of Belushya Guba. (@muah_irinaelis via AP)

This undated photo issued by Belfast Zoo, Northern Ireland, shows a red panda on the zoo premises. Officials say a rare red panda has gone missing from Belfast Zoo in Northern Ireland on Sunday. Belfast City Council officials said Monday Jan. 28, 2019, the animal is not considered dangerous but warned the public not to approach it if it is spotted. (Belfast Zoo via AP)

The empty entrance of the Smithsonian's National Zoo is seen, Wednesday, Jan. 2, 2019, in Washington. Smithsonian's National Zoo is closed due to the partial government shutdown. President Donald Trump is convening a border security briefing Wednesday for Democratic and Republican congressional leaders as a partial government shutdown over his demand for border wall funding entered its 12th day. (AP Photo/Carolyn Kaster)

In this undated photo provided by Eric Regehr, polar bears are seen on Wrangel Island in the Arctic Circle. A study of polar bears in the Chukchi Sea between Alaska and Russia finds that the population is thriving for now despite a loss of sea ice due to climate change. Lead author Eric Regehr of the University of Washington says the Chukchi may be buffered from some effects of ice loss. Regehr says polar bears can build fat reserves and the Chukchi's abundant seal population may allow bears to compensate for a loss of hunting time on ice. (AP Photo Eric Regehr via AP)