A Hanuman Langur monkey looks through a glass enclosure, part of the new Land of the Lions display, at London Zoo, Thursday, March 17, 2016. (Photo by Kirsty Wigglesworth/AP Photo)





Wood Pigeons preen each other in St James's Park on March 14, 2016 in London, England. (Photo by Dan Kitwood/Getty Images)





A dog performs during the Shanghai International Pet Expo in Shanghai, China, March 17, 2016. (Photo by Aly Song/Reuters)





A dog groomer combs a dog's fur during the Shanghai International Pet Expo in Shanghai, China, March 17, 2016. (Photo by Aly Song/Reuters)





A dog groomer combs a dog's fur during the Shanghai International Pet Expo in Shanghai, China, March 17, 2016. (Photo by Aly Song/Reuters)





A dog is seen at the Shanghai International Pet Expo in Shanghai, China, March 17, 2016. (Photo by Aly Song/Reuters)





Dog groomers have their dogs' fur cut as part of a grooming test during the Shanghai International Pet Expo in Shanghai, China, March 17, 2016. (Photo by Aly Song/Reuters)





A chimpanzee drinks a sweet refreshment as it is sprayed with water on a hot day at Dusit zoo in Bangkok, Thailand, March 17, 2016. (Photo by Chaiwat Subprasom/Reuters)





A chimpanzee drinks a sweet refreshment at Dusit Zoo in Bangkok, Thailand March 17, 2016. (Photo by Chaiwat Subprasom/Reuters)





A chimpanzee drinks a sweet refreshment at Dusit Zoo in Bangkok, Thailand March 17, 2016. (Photo by Chaiwat Subprasom/Reuters)





Arnaud Palu, new general Director of Marineland, poses with dolphins during a press visit at the Marineland zoo in Antibes before its reopening, six months after the flooding that affected the French Riviera in October 2015, in Antibes, France, March 17, 2016. (Photo by Eric Gaillard/Reuters)





An animal caretaker poses with two killer whales during a press visit at the Marineland Zoo in Antibes before its reopening, six months after the flooding that affected the French Riviera in October 2015, in Antibes, France, March 17, 2016. (Photo by Eric Gaillard/Reuters)





A killer whale performs during a press visit at the Marineland Zoo in Antibes before its reopening, six months after the flooding that affected the French Riviera in October 2015, in Antibes, France, March 17, 2016. (Photo by Eric Gaillard/Reuters)





A sea lion eats sardines in the Marineland theme park on the French riviera city of Antibes, southeastern France, on March 17, 2015. (Photo by Valery Hache/AFP Photo)





A man sits at a park in Sur district, which is partially under curfew, in the Kurdish-dominated southeastern city of Diyarbakir, Turkey March 17, 2016. (Photo by Sertac Kayar/Reuters)





Two Amur Leopards attempt to mate at Marwell Zoo near Winchester in Britain, March 18, 2016. With less than forty of the critically endangered species remaining in the wild globally, the two were introduced today as the female has come onto season, with the hope that they will successfully breed in captivity, two years after their first cub was born. (Photo by Toby Melville/Reuters)





A meerkat sits under a heat lamp in it's outside enclosure at Marwell Zoo near WInchester in Britain, March 18, 2016. (Photo by Toby Melville/Reuters)





A giraffe licks the glass as it looks out of it's enclosure at Marwell Zoo near Winchester in Britain, March 18, 2016. (Photo by Toby Melville/Reuters)





A zebra grazes in a paddock at Marwell Zoo near Winchester in Britain, March 18, 2016. (Photo by Toby Melville/Reuters)





A meerkat sits under a heat lamp in it's outside enclosure at Marwell Zoo near Winchester in Britain, March 18, 2016. (Photo by Toby Melville/Reuters)





Giraffes look out from their enclosure at Marwell Zoo near Winchester in Britain, March 18, 2016. (Photo by Toby Melville/Reuters)





A male Amur leopard reacts after being introduced to a female at Marwell Zoo near Winchester in Britain, March 18, 2016. (Photo by Toby Melville/Reuters)





A gopher appears from his burrow in a park in the town of Baikonur, Kazakhstan, March 19, 2016. (Photo by Shamil Zhumatov/Reuters)





Football Soccer, Crystal Palace vs Leicester City, Barclays Premier League, Selhurst Park, United Kingdom on March 19, 2016: Crystal Palace eagle before the game. (Photo by Dylan Martinez/Reuters/Livepic)





A golden eagle attacks a wolf during the hunting festival “Salburun” in the village of Alysh, near Naryn, 350 km outside Bishkek, Kyrgyzstan on March 13, 2016. (Photo by Vyacheslav Oseledko/AFP Photo)





A Kyrgyz berkutchi (eagle hunter) holds his bird, a golden eagle, during the hunting festival “Salburun” in the village of Alysh, near Naryn, 350 km outside Bishkek, Kyrgyzstan on March 13, 2016. (Photo by Vyacheslav Oseledko/AFP Photo)





A baby gorilla and his mother, photographed in Virunga national park in Virunga, Rwanda on March 16, 2016. (Photo by Andy Rouse/Barcroft Media)





In this March 8, 2016 photo, an alpaca walks to rejoin the herd after getting sheered on the Mallkini Hacienda in the highlands of the Puno department in Peru. Alpaca breeders sell the fiber for $3 a pound, but the same amount on the international market can fetch as much as $300 dollars, according to agrarian authorities in Puno. (Photo by Martin Mejia/AP Photo)





A dalmation pelican at Lake Kerkini, Greece, one of the most important wetlands in Europe on March 16, 2016. (Photo by Simone Sbaragli/Barcroft Media)





A Dalmatian pelican comes in to land on Lake Kerkini, a bird-watchers’ paradise, in Greece on March 16, 2016. (Photo by Simone Sbaragli/Barcroft Media)





A Polar Bear nmother named Cora and her three-month-old cub are seen at the zoo in Brno, South Moravia, Czech Republic on March 17, 2016. (Photo by Radek Mica/AFP Photo)





A three-month-old Polar Bear cub is seen at the zoo in Brno, South Moravia, Czech Republic on March 17, 2016. (Photo by Radek Mica/AFP Photo)





A baby wallaby has made an appearance at ZSL Whipsnade on March 13, 2016 in Bedfordshire, England. Photographer Tony Margiocchi had been watching the mother for a week and finally she allowed her tiny baby to have a look at the outside world in the evening sunshine. Until now the photographer had only seen tiny little bits of the baby, but then was able to capture it's face at last with these amazing images. (Photo by Tony Margiocchi/Barcroft Media)





A female Dusky leaf monkey with a newborn infant in a zoo in Novosibirsk, Russia on March 12, 2016. (Photo by Kirill Kukhmar/TASS via ZUMA Press)





A photo taken on March 15, 2016 shows polar bears at the zoo in Mulhouse, eastern France. (Photo by Sebastien Bozon/AFP Photo)





This photograph taken on March 15, 2016 shows a baby turtle waiting to be released into the sea at Ujong Pancu beach of Aceh Besar, in Aceh province, as local environmental activists voluntarily bred them to keep the turtle habitat due to egg poaching. Indonesia, at the crossroads of important migration routes next to the Pacific and Indian Oceans, is home to six out of seven of the world's turtle species.Pacific and Indian Oceans, is home to six out of seven of the world's turtle species. (Photo by Chaideer Mahyuddin/AFP Photo)





This photograph taken on March 15, 2016 shows a baby turtle heading to the sea after being released at Ujong Pancu beach of Aceh Besar, in Aceh province, as local environmental activists voluntarily bred them to keep the turtle habitat due to egg poaching. (Photo by Chaideer Mahyuddin/AFP Photo)





Tourists feed freshly picked grapes to 40-year-old elephant Boonruen, a long-term resident of the Hua Hin Hills vineyard, that used to be an elephant corral in Hua Hin, about 200km southwest of Bangkok, Thailand, 08 March 2016. The winery is among a handful of companies producing new latitude wines in non-traditional wine areas of the world near the equator. Harvest is only once a year in Thailand, this year in March. (Photo by Barbara Walton/EPA)





Sea lion “Pamela” balances an Easter egg on her nose at the Yukon Bay department of the theme zoo in Hanover, central Germany, on March 17, 2016. (Photo by Holger Hollemann/AFP Photo)