A horse at Murmur Farm in Darlington, Md. on May 13, 2019 (Photo by Michael S. Williamson/The Washington Post)





A starling seen in the village of Klinovka in Crimea, Russia on May 14, 2018. (Photo by Sergei Malgavko/TASS)





Shih tzu dogs at Dogfest, which is being held this weekend at Knebworth House in Stevenage, England on May 11, 2019. (Photo by Keith Mayhew/SOPA Images/Rex Features/Shutterstock)





Diver Oliver Volz scrubs a sea turtle during a spring clean at the Sea Life aquarium, Timmendorfer Strand, Germany on May 14, 2019. (Photo by Frank Molter/AFP Photo)





Tortie shaded Burmese kittens are photographed at the Nor' East of Scotland Cat Club and the Siamese Cat Society of Scotland championship show held at the Caird Hall in Dundee on May 11, 2019. (Photo by Andrew Milligan/PA Wire Press Association)





Four tiger cubs meet the public for the first time at Jinbao Zoo on May 14, 2019 in Weifang, Shandong Province of China. (Photo by Zhang Chi/VCG via Getty Images)





Chimpanzee mother Hannah holds baby Hope at the Monarto Zoo near Adelaide, South Australia, Australia, 15 May 2019. World renowned primatologist Dr Jane Goodall is in South Australia to announce the pregnancy of one of Monarto Zoo's chimpanzees. (Photo by David Mariuz/EPA/EFE)





A cat sits inside a flight test facility at the Antonov aircraft plant in Kiev, Ukraine May 15, 2019. (Photo by Valentyn Ogirenko/Reuters)





A northern gannet looks into the camera on the North Sea island Helgoland, Germany, Wednesday, May 15, 2019. The high season starts now for the seabirds in their colony on Helgoland. (Photo by Carsten Rehder/dpa via AP Photo)





A hare runs along seedlings on an acre in Frankfurt, Germany, Sunday, May 12, 2019. (Photo by Michael Probst/AP Photo)





A Robin protects her young chicks on their nest in Nyack, New York, U.S., May 11, 2019. (Photo by Mike Segar/Reuters)





An alligator lies on a runway tarmac before being safely carried off the property of MacDill Air Force Base in Tampa, Florida, U.S. May 9, 2019. (Photo by Kory McLellan/U.S. Air Force/Handout via Reuters)





A swallow flies over a field of wheat in the outskirts of Frankfurt, Germany, Monday, May 13, 2019. (Photo by Michael Probst/AP Photo)





Orphaned baby bear named “Aida”, covered with milk, is seen during its lunch in Gunjani village near Sarajevo, Bosnia and Herzegovina on May 16, 2019. (Photo by Dado Ruvic/Reuters)





Grumpy Cat in Las Vegas, America on August 5, 2014. Grumpy Cat aka Tardar Sauce has died on May 14, 2019 at home in Arizona at the age of seven due to complications from a urinary tract infection. Her family's statement said: “Besides being our baby and a cherished member of the family, Grumpy Cat has helped millions of people smile all around the world – even when times were tough. Her spirit will continue to live on through her fans everywhere. Grumpy's Family – Tabatha, Bryan and Chyrstal”. (Photo by Mediapunch/Shutterstock)





Internet sensation Grumpy Cat appears on “Good Morning America”, 3/22/13, airing on the ABC Television Network. (Photo by Lou Rocco/ABC via Getty Images)





“Grumpy Cat” walks on the grass at Chase Field on September 7, 2015 in Phoenix, Arizona. (Photo by Jennifer Stewart/Arizona Diamondbacks/Getty Images)





Grumpy Cat visits at SiriusXM Studios on October 9, 2015 in New York City. (Photo by Robin Marchant/Getty Images)