Two Mexican hyena cubs are pictured with their mother during a media tour in Chapultepec Zoo in Mexico City, Mexico on July 25, 2019. (Photo by Edgard Garrido/Reuters)





A cat is pictured among plastic waste at a fishermen port on the outskirts of Dakar, Senegal on July 26, 2019. (Photo by Zohra Bensemra/Reuters)





A hippopotamus opens its mouth as it gets a shower inside its enclosure at the Prague Zoo, Czech Republic, July 30, 2019. (Photo by David W. Cerny/Reuters)





An albino leopard gecko is seen handled by a nature conservation agency officer, after it and several other geckos were handed over by an exotic pet keeper in Banda Aceh on July 22, 2019. (Photo by Chaideer Mahyuddin/AFP Photo)





Bert, a black-capped Capuchin monkey, leans into the coming turn as he rides Luna, a German shepherd in the Banana Derby during the McHenry County Fair in Woodstock, Ill., Tuesday, July 30, 2019. (Photo by John Starks/Daily Herald via AP Photo)





This handout picture released on July 30, 2019, shows a sea lion accidentally caught in the mouth of a humpback whale in Monterey Bay, California. In a stunning photo, a wildlife photographer has captured a sea lion falling into the mouth of a humpback whale in what he calls a “once-in-a-lifetime” moment. (Photo by Chase Dekker/AFP Photo)





Giant panda cubs born in 2018 eat and play during a group birthday celebration at Shenshuping panda base in Wolong, Sichuan province, China on July 25, 2019. (Photo by Reuters/China Daily)





olar bear Nanook takes a bath during an extreme hot summer Wednesday, July 24, 2019 at the zoo in Gelsenkirchen, Germany. Germany faces another heatwave with temperatures up to 40 degrees Celsius. (Photo by Martin Meissner/AP Photo)





A polar bear jumps into the water during an extreme hot summer Wednesday, July 24, 2019 at the zoo in Gelsenkirchen, Germany. Germany faces another heatwave with temperatures up to 40 degrees Celsius. (Photo by Martin Meissner/AP Photo)





This handout photograph taken on June 11, 2019 and released by the Taronga Zoo on July 29 to coincide with International Tiger Day, shows Sumatran tiger Kartika with her seven-month old cub, one of three born earlier this year, at the Taronga Zoo in Sydney. As few as 380 Sumatran Tigers are left in the wild and are in dire need of protection due to habitat loss from unsustainable palm oil farming and the illegal wildlife trade. (Photo by Rick Stevens/Taronga Zoo/AFP Photo)





Giant male panda Ru Yi enjoys an ice cake, during its birthday celebrations at the Moscow Zoo in the capital Moscow, Russia July 31, 2019. (Photo by Lev Sergeev/Reuters)





One of the Istanbul's first Bengal tiger cubs, who were born on May 12, 2019, is seen at the Lion Park of Tuzla Viaport Marina in Istanbul, Turkey on July 27, 2019. Bengal tiger cubs attract attention of visitors with their cuteness. (Photo by Erhan Sevenler/Anadolu Agency via Getty Images)





The flamingo chick with it's mum as dad nuzzles in. Proud parents dote over their chick in Winchester. England on July 24, 2019. Marwell Zoo welcomed the new arrival on Monday this week. (Photo by Marwell Zoo/Solent News)





Volunteers of a Wild Nature Preservation center release a group of owl chicks from the Toro Mountain in Menorca, Balearic Islands, Spain, 31 July 2019. (Photo by David Arquimbau Sintes/EPA/EFE/Rex Features/Shutterstock)





Three-year-old orangutan from Sumatra, Berani, is pictured at the Pairi Daiza wildlife park, zoo and botanical garden in Brugelette, Belgium on August 2, 2019. (Photo by Yves Herman/Reuters)