A cat and its tamers perform during the presentation of the Modern German Circus international show “Black and White, Up and Down” at the National Circus in Kyiv, Ukraine, February 1, 2019 (Photo by Sergii Kharchenko/NurPhoto via Getty Images)





A Macaque monkey bathes in a hot spring at the Jigokudani Yaen-koen wild Macaque monkey park on February 8, 2019 in Yamanouchi, Japan. The wild Japanese macaques are known as snow monkeys, according to the park's official website. (Photo by Tomohiro Ohsumi/Getty Images)





This undated image provided by Avocados From Mexico shows a scene from the company's 2019 Super Bowl NFL football spot. Star power abounds in this year's Super Bowl ads. Avocados From Mexico's ad will feature Broadway star Kristin Chenoweth. (Photo by Avocados From Mexico via AP Photo)





Red-billed leiothrix, songbirds also known as Pekin nightingales, take turns to bathe in a pool of water in Yichang, China on February 5, 2019. (Photo by Liu Shusong/Xinhua News Agency/Barcroft Images)





Wolves (Canis lupus) are pictured in an enclosure at the Wildpark Neuhaus, near Goettingen in Germany, on February 3, 2019. (Photo by Swen Pförtner/dpa/AFP Photo)





A dog is seen at a snow covered path during cold weather at Ovacik district of Tunceli, Turkey on February 6, 2019. (Photo by Sidar Can Eren/Anadolu Agency/Getty Images)





An Indian Naga Sadhu or naked holy man with a white rat on his head sits in his tent near Sangam river, the confluence of three of the holiest rivers in Hindu mythology, the Ganga, the Yamuna and the Saraswati, during Kumbh Mela festival in Allahabad, Uttar Pradesh, India, 03 February 2019. The Hindu festival is one of the biggest in India and will be held from 15 January to 04 March 2019 in Allahabad. (Photo by Rajat Gupta/EPA/EFE)





White Storks stand on a pole of electricity, and in the background numerations of starlings, in the Jordan valley, 07 February 2019. (Photo by Atef Safadi/EPA/EFE)





An Adelie penguin (Pygoscelis adeliae) is seen at an Antarctic environment recreated at the Guadalajara Zoo, in Jalisco State, Mexico on February 6, 2019. The first birth of this species in Latin America took place a month ago in the zoo. (Photo by Ulises Ruiz/AFP Photo)





A Magpie is seen during Day one of the ISPS Handa Vic Open at 13th Beach Golf Club on February 07, 2019 in Geelong, Australia. (Photo by Michael Dodge/Getty Images)





Jason Biasetti's sled dogs wait in their crates at Shipyards Park in Whitehorse, Yukon on February 2, 2019. (Photo by Canadian Press/Rex Features/Shutterstock)





Farmers attend the annual Stirling Bull Sales event, one of the biggest in the UK, which runs over two weeks at United Auction on February 4, 2019 in Stirling, Scotland. Around 12,000 British and international farmers, commercial buyers and pedigree enthusiasts are visiting the city for the event, which will feature ten pedigree breeds. (Photo by Jeff J. Mitchell/Getty Images)





Mamy, a caretaker plays with a pair of pet lions in an enclosure built in a house on the outskirts of Peshawar, Pakistan February 4, 2019. (Photo by Fayaz Aziz/Reuters)





In this Jan.uary 13, 2019, photo, local residents take a photo in front of a wild boar at a Country Park in Hong Kong. Like many Asian communities, Hong Kong ushers in the astrological year of the pig. That’s also good timing to discuss the financial center’s contested relationship with its wild boar population. A growing population and encroaching urbanization have brought humans and wild pigs into increasing proximity, with the boars making frequent appearances on roadways, housing developments and even shopping centers. (Photo by Vincent Yu/AP Photo)





Punxsutawney Phil is introduced to the crowd on the 133rd Groundhog Day in Punxsutawney, Pennsylvania, U.S., February 2, 2019. (Photo by Alan Freed /Reuters)





A wild boar holds a plastic lid in its mouth as it eats leftovers from a barbecue pit at the Aberdeen Country Park in Hong Kong, China January 27, 2019. (Photo by Jayson Albano/Reuters)





In this picture taken on January 25, 2019, wild boars are seen in Hong Kong's Aberdeen Park. As Hong Kong prepares to celebrate the Year of the Pig, the city is facing its own peculiar porcine pickle – a furious debate about what to do with its growing and emboldened wild boar population. (Photo by Anthony Wallace/AFP Photo)





A man feeds birds in St James Park in London, Britain, February 7, 2019. (Photo by Henry Nicholls/Reuters)





A sledder on an inner tube-type toy is watched by terriers out for a walk as he slides past on one of Seattle's steeper hills, Queen Anne Ave., Monday, February 4, 2019. Western Washington was hit by a major winter storm, with several inches of snow, cold temperatures and bone-chilling winds overnight and into the day Monday. (Photo by Elaine Thompson/AP Photo)





This undated photo provided by Saint Louis Zoo shows a baby zebra named Nova at the zoo, in St. Louis. The St. Louis Zoo welcomed a baby boom in recent weeks. Zoo officials announced Tuesday, February 5, 2019, that 11 calves of ungulates or hoofed mammals, were born in a recent 10-week period. Zoo officials say all the animals are healthy and bonding with their mothers. The animals include gazelles, addaxes, a zebra, kudus and nyalas. (Photo by Robin Winkelman/The Saint Louis Zoo via AP Photo)





In this photo taken on Saturday, January 26, 2019 photo, rescued flamingo chicks have access to water at a centre after being rescued from a dried out dam in Kimberley, South Africa. A special airlift for thousands of baby flamingos is under way in South Africa as drought has put their breeding ground in peril. A reservoir that hosts one of southern Africa's largest flamingo populations is drying up. (Photo by AP Photo/Stringer)