In this Thursday, May 2, 2019 photo, Rociero, a Spanish pure breed and contestant for best cloak during the annual fiesta called “Los Caballos del Vino”, usually translated as the Running of the Wine Horses in Caravaca de la Cruz, southeast Spain. At the Running of the Wine Horses in southeast Spain, men dash alongside their richly decorated horses up to the local castle. The annual fiesta is said to date from the 13th century when Knights Templar broke a siege. The colorful spectacle draws thousands of tourists. (Photo by Bernat Armangue/AP Photo)





Elephants are paraded outside the Grand Palace in honor of Thailand's King Maha Vajiralongkorn following his coronation ceremony in Bangkok, Thailand, Tuesday, May 7, 2019. (Photo by Rachen Sageamsak/Xinhua News Agency/Barcroft Images)





A bee- eater flying over the Gediz delta of Izmir, Turkey on May 03, 2019. (Photo by Mahmut Serdar Alakus/Anadolu Agency/Getty Images)





A statue of Saint Domenico covered with live snakes is carried by faithfuls during an annual procession in the streets of Cocullo, a small village in the Abruzzo region, on May 1, 2019. (Photo by Filippo Monteforte/AFP Photo)





A hare looks around at the banks of Unzha river of Kologriv, Kostroma region, Russia, 04 May 2019. Some 12.000 wild geese landed in Kologriv for a month's stop on their way from Germany, Netherlands and Belgium to the Russian Arctic coast for summer season. Local residents of Kologriv, a small province town 700 km to North-East from Moscow are proud the geese chose their town to spend their time, rest and recover. (Photo by Sergei Chirikov/EPA/EFE)





An Indian spotted owl looks out from its nest in a tree in Guwahati on May 7, 2019. (Photo by Biju Boro/AFP Photo)





A langur monkey drinks water from a tap on a hot summer day on the outskirts of Ajmer in the Indian state of Rajasthan on May 9, 2019. (Photo by Himanshu Sharma/AFP Photo)





Two Herens cows lock horns during the qualification round of the annual Finale nationale de la race d'Herens' (Herens national cow fighting finals) in Aproz, Switzerland, 05 May 2019. Each year when taken to the alpine pastures, the cows test their strength and fight for the herd's leadership. The competition continues until a new queen has forced all the other cows to retreat. (Photo by Valentin Flauraud/EPA/EFE)





A peacock displays his plumage towards a peahen in a traditional courtship ritual at a park in London, Britain, May 10, 2019. (Photo by Toby Melville/Reuters)





Melina Avgerinou, caretaker at NGO Arcturos, feeds two brown bear cubs at a bear sanctuary in the village of Nymfaio, near Florina, Greece on May 4, 2019. (Photo by Giorgos Moutafis/Reuters)





Thai officials dressed in traditional costumes feed oxen during the annual royal ploughing ceremony during the annual royal ploughing ceremony in central Bangkok, Thailand, May 9, 2019. (Photo by Athit Perawongmetha/Reuters)





A first white-handed gibbon infant born at the Skopje Zoo is seen with his mother in Skopje, North Macedonia on May 9, 2019. (Photo by Ognen Teofilovski/Reuters)





A four-week old southern three-banded armadillo (Tolypeutes matacus), right, and its mother are rolled into a ball in the hands of keeper in the tropical house of Budapest Zoo in Budapest, Hungary, Friday, May 3, 2019. The South American insect-eating mammal and its close relative, the Brasilian three-banded armadillo (Tolypeutes tricinctus) are the only two species of armadillos capable of rolling into a complete ball to defend themselves when feeling threatened. (Photo by Attila Kovacs/MTI via AP Photo)





In this Tuesday, May 7, 2019, photo, San Diego Zoo's animal care staff weights one of the first chicks born at the San Diego Zoo African Penguin colony in San Diego, Calif. A fluffy pair of 2-month-olds, named Doug and Barbara, in honor of Douglas G. Myers, president/CEO of San Diego Zoo Global, and his wife Barbara Myers, are the first chicks hatched at the Zoo from eggs laid by the colony's resident penguin couples. (Photo by Ken Bohn/San Diego Zoo Global via AP Photo)





In this Friday, May 10, 2019, photo released by China's Xinhua News Agency, a spotted seal splashes into the water after being released by officials near Dalian in northeastern China's Liaoning province. Animal groups cheered the release of 37 spotted seal pups rescued from traffickers into the wild in northern China. (Photo by Pan Yulong/Xinhua via AP Photo)





First cygnets of the year hatch at Abbotsbury Swannery on May 04, 2019 near Weymouth, England. It is the only publically accessible colony of nesting mute swans in the world. The arrival of the cygnets is traditionally seen as the start of summer and local traditions claim the Benedictine Monks who owned the Dorset swannery between 1000 AD and the 1540s believed the first cygnet signaled the season's first day. Abbotsbury Swannery's mute swans – up to 1,000 in total – are all free flying, and are not kept in cages. (Photo by Finnbarr Webster/Getty Images)





A Sphynx breed cat wearing a jumper attends the LondonCats International Show and Expo at Tabacco dock on May 04, 2019 in London, England. LondonCats is an official TICA Cat Show, international competition with over 200 cats judges from across the world. (Photo by John Keeble/Getty Images)





A baby giant anteater riding piggyback on its mother at the Bursa Zoo, in Bursa, Turkey on May 03, 2019. (Photo by Ali Atmaca/Anadolu Agency/Getty Images)





Ten years old lion Boby roars in a cage of Tirana's zoo on May 7, 2019 before its transfer along with two other lions to the Felida Big Cat Center in Netherlands by animal welfare association Four Paws. The three lions, rescued by Four Paws last October from a zoo where they were kept in deplorable conditions and provisionally welcomed in Tirana, were transported to the Netherlands where they will be placed in an establishment imitating their natural habitat. (Photo by Gent Shkullaku/AFP Photo)





View of a jaguar cub (Panthera onca) born in captivity on March 20, during its presentation at the zoo, in Tlaxcala, Mexico on May 09, 2019. (Photo by Emmanuel Flores/AFP Photo)