A European brown bear has fun splashing in its pool at Whipsnade zoo in Whipsnade, England on April 16, 2019. (Photo by Tony Margiocchi/Barcroft Images)





This Aptil 9, 2019 photo provided by the National Park Service shows four kittens born to a young bobcat captured, collared and released a day before a massive, deadly wildfire, in a large residential backyard in Thousand Oaks, Calif. Authorities at the Santa Monica Mountains National Recreation Area said Friday, April 19, 2019 that biologists recently found the bobcat's den in dense vegetation. (Photo by Ana Beatriz Cholo/National Park Service via AP Photo)





A child touches the nose of a cat at the Pet Expo 2019, a pet show in Bucharest, Romania, Sunday, April 14, 2019. The pet show attracts according to organizers more than 10 thousand visitors every year. (Photo by Andreea Alexandru/AP Photo)





Memphis Zoo welcomes second new baby giraffe in less than one week. Wendy, a Memphis Zoo giraffe gave birth recently to a boy calf and his is name is Kiburi, which means precocious in Swahili. Within the same week, the zoo's 12-year-old giraffe Angela Kate gave birth her baby giraffe on April 9, 2019. These births bring the Memphis Zoo's reticulated giraffe herd to 11. Reticulated giraffes are considered endangered, with only 11,000 remaining in the wild and a population that is declining. Memphis Zoo, located in Memphis, Tennessee, is home to more than 4,500 animals representing more than 500 different species. (Photo by Karen Focht/ZUMA Wire/Shutterstock)





Black grouses court at a mating ground in a marsh in Berezinski Biosphere reserve near the village of Kraitsy, Belarus on April 17, 2019. (Photo by Vasily Fedosenko/Reuters)





In this April 12, 2019 photo a Canada lynx is released in Schoolcraft County in Michigan's Upper Peninsula. The lynx was captured weeks ago in Sanilac County in the Lower Peninsula. After spending time at the Howell Nature Center and the Detroit Zoo, the female was released last week in a wooded area. The animal rarely seen in Michigan. The DNR says the last verified sighting of a lynx was in 2010 on Sugar Island near Sault Ste. Marie. (Photo by John Pepin/Michigan Department of Natural Resources via AP Photo)





This handout photo taken on January 27, 2019 and released on April 18, 2019 by the New Zealand Department of Conservation shows a kakapo on Codfish Island, also known as Whenua Hou, off the south coast of New Zealand's South Island. The critically endangered kakapo has enjoyed a record breaking breeding season, New Zealand scientists said on April 18, with climate change possibly aiding the unique mating spree of the world's fattest parrot species. (Photo by Andrew Digby/New Zealand Department of Conservation/AFP Photo)





An Oriental Garden Lizard sits on a tree in Gauhati, India, Tuesday, April 16, 2019. During the breeding season, the male lizard's head and throat turn a bright color. (Photo by Anupam Nath/AP Photo)





A picture shows a close-up of zebras in an enclosure at the Paris zoological park (Parc zoologique de Paris) in Paris on April 12, 2019. (Photo by Philippe Lopez/AFP Photo)





One day old baby lambs born at Bocketts Farm, Surrey, UK pictured on April 15, 2019 against the blue sky, enjoying the sunshine which is set to continue this week. (Photo Oliver Dixon/Shutterstock)





A turtle swims amid plastic at the Guanabara Bay, in Rio de Janeiro, Brazil, 16 April 2019. The Guanabara Bay, with an area of 400 square kilometers is currently suffering from contamination by domestic and industrial wastewater, and the lack of commitment from authorities, who for years have promised to clean their waters without visible results so far. (Photo by Marcelo Sayão/EPA/EFE)





Egrets perch on water buffaloes at Manggamat river, Southern Aceh province on April 16, 2019. (Photo by Chaideer Mahyuddin/AFP Photo)





Bartek, a male Amur tiger, chooses a box with a photograph of candidate Volodymyr Zelenskiy while attempting to predict the winner of the Ukrainian presidential election, as a box with photo of candidate Petro Poroshenko is placed nearby, during an event at the Royev Ruchey Zoo, in Krasnoyarsk, Russia April 15, 2019. (Photo by Ilya Naymushin/Reuters)





Western lowland gorilla Fatou eats a hard-boiled Easter Egg during a media event at the Zoo in Berlin, Germany, April 16, 2019. (Photo by Fabrizio Bensch/Reuters)





A gaucho rides an untamed horse during Creole week celebrations in Montevideo, Uruguay on April 17, 2019. (Photo by Andres Stapff/Reuters)





A gaucho falls from a bucking colt during the traditional rodeo week in Montevideo on April 14, 2019 (Photo by Pablo Porciuncula Brune/AFP Photo)





Black capped squirrel monkeys are fed treats from a papier-mache Easter egg during a photo-call at ZSL London Zoo in London, Britain, April 18, 2019. (Photo by Peter Nicholls/Reuters)





In this Monday, April 15, 2019, file photo, visitors watch white whales make a heart shape with trainers during a show at Haichang Ocean Park in Shanghai, China. (Photo by Andy Wong/AP Photo/File)





A baby goat touches noses with a dog at the Pet Expo 2019, a pet show in Bucharest, Romania, Saturday, April 13, 2019. According to organisers, the pet show attracts more than 10 thousand visitors every year. (Photo by Vadim Ghirda/AP Photo)





In this June 30, 2015, file photo, an endangered cassowary roams in the Daintree National Forest, Australia. On Friday, April 12, 2019, a cassowary, a large, flightless bird native to Australia and New Guinea, killed its owner when it attacked him after he fell on his property near Gainesville, Fla. Cassowaries are similar to emus and stand up to 6 feet (1.8 meters) tall and weigh up to 130 pounds (59 kilograms). (Photo by Wilson Ring/AP Photo/File)





A newly-born white lion cub, named Simba, is seen in Paphos zoo, Cyprus April 14, 2019. (Photo by Yiannis Kourtoglou/Reuters)





A baby kangaroo looks out of its mother's bag in an enclosure at Hoyerswerda Zoo Hoyerswerda, eastern Germany on April 16, 2019. Six female kangaroos in the zoo had offspring. (Photo by Sebastian Kahnert/dpa-Zentralbild/dpa)





A tiger cub is seen at the Hengdaohezi Siberian tiger park in Hailin City, northeast China's Heilongjiang Province on April 17, 2019. (Photo by Xinhua News Agency/Barcroft Images)





Elsa the Yorkshire gets its fur combed during a grooming competition at the Pet Expo 2019, a pet show in Bucharest, Romania, Saturday, April 13, 2019. According to organisers, the pet show attracts more than 10 thousand visitors every year. (Photo by Vadim Ghirda/AP Photo)