Gorilla Kira holds her baby born on July, 22 at the zoo in Moscow on August 11, 2016. (Photo by Vasily Maximov/AFP Photo)





Five-year old white lion Ludwig, father of five new-born white lion cubs, in a private zoo in the village of Demydiv 50 kilometres west of Kiev, Ukraine, Thursday, August 11, 2016. Most white lions live in captivity as the rare colour mutation is widely believed to make it difficult for white lions to survive in the wild. (Photo by Efrem Lukatsky/AP Photo)





A zoo worker feeds five new-born white lion cubs in a private zoo in the village of Demydiv 50 kilometres west of Kiev, Ukraine, Thursday, August 11, 2016. (Photo by Efrem Lukatsky/AP Photo)





A litter of white lion cubs is presented in their enclosure in the “XII months” private zoo in the Demydiv village, about 50 kilometers north of Kiev, Ukraine, 11 August 2016. The five seven-week-old male baby-lions were born by Ivanna and Ludwig in June 2016 and weigh now between four to six kilograms each. The five lion cubs are a record number in one litter because usually it is not more than four. White lions are a rare color mutation among African Lions that occurs in nature as well. (Photo by Sergey Dolzhenko/EPA)





2016 Rio Olympics, Golf, Preliminary, Training session, Olympic Golf Course, Rio de Janeiro, Brazil on August 8, 2016. A capybara stands near the third hole on the Olympic Golf Course during a training session. (Photo by Andrew Boyers/Reuters)





Danny Lee of New Zealand takes a photo of a capybara on the 5th hole during a practice round at Olympic Golf Course on August 8, 2016 in Rio de Janeiro, Brazil. (Photo by Ross Kinnaird/Getty Images)





An owl looks out from beside a sand bunker on the Olympic Golf Course during a practice session on August 9, 2016. (Photo by Andrew Boyers/Reuters)





Grecia the toucan, which lost most of his upper beak in an attack, eat with his new 3D-printed beak at Zoo Ave animal sanctuary in Alajuela, Costa Rica August 10, 2016. (Photo by Juan Carlos Ulate/Reuters)





Grecia the toucan, which lost most of his upper beak in an attack, is displayed with his new 3D-printed beak at Zoo Ave animal sanctuary in Alajuela, Costa Rica, August 10, 2016. (Photo by Juan Carlos Ulate/Reuters)





Grecia the toucan, which lost most of his upper beak in an attack, eat with his new 3D-printed beak at Zoo Ave animal sanctuary in Alajuela, Costa Rica, August 10, 2016. (Photo by Juan Carlos Ulate/Reuters)





A Eurasian brown bear at Whipsnade zoo in Dunstable, UK tries to keep cool in the summer heat on August 67, 2016. (Photo by Tony Margiocchi/Barcroft Images)





Baby gorilla Afia catches a ride on her keeper Joanne Rudd on 'Gorilla Island' at Bristol Zoo on August 10, 2016 in Bristol, England. The hand reared Western lowland gorilla who was born at the zoo by emergency C-section on February 12 is taken out onto the island daily to help build her confidence and awareness of what will eventually become her new home. Although Afia's mother Kera, still isn't aware that Afia is hers it is hoped that the young gorilla who is enjoying a varied diet of sweet potato, leafy lettuce and pellets, will continue to get to know her family under the watchful eyes of her dedicated keepers. (Photo by Matt Cardy/Getty Images)





A lone bear wanders beside a lake in boreal forest in Kuikka, Finland on August 8, 2016. (Photo by Craig Jones/Barcroft Images)





A lone bear wanders beside a lake in boreal forest in Kuikka, Finland on August 8, 2016. (Photo by Craig Jones/Barcroft Images)





A one month-old panda at a conservation and research centre in Shanghai, China on August 8, 2016. (Photo by Imaginechina/Rex Feature/Shutterstock)





This undated photo made available by Julius Nielsen on August 11, 2016 shows a Greenland shark slowly swimming away from a boat, returning to the deep and cold waters of the Uummannaq Fjord in northwestern Greenland during tag -and- release program in Norway and Greenland. In a report released Thursday, Aug. 11, 2016, scientists calculate this species of shark is Earth’s oldest living animal with a backbone. They estimate that one of those they examined was born roughly 400 years ago, about the time of the Pilgrims in the U.S., and kept on swimming until it died only a couple years ago. (Photo by Julius Nielsen via AP Photo)





A guard with the Sumatran elephants were trained during bathed in Medan Zoo on August 12, 2016. At the World Elephant Day, habitat loss due to massive illegal logging and deforestation for palm oil plantation in Sumatra Island today only 1,724 Sumatran elephants remaining in the wild, down 39 percent from the 2007 population estimates. (Photo by Ivan Damanik/ZUMA Press/Splash News)





Orang-utan “Bimbo” relaxes behind a waterfall in his enclosure in the Zoo in Leipzig, central Germany, Monday, August 8, 2016. (Photo by Jens Meyer/AP Photo)





Falcon “Socrates” flies through a wind tunnel at the Institute of Fluid Mechanics and Aerodynamics at the German Armed Forces' (Bundeswehr) University in Munich, Germany, 10 August 2016. The staff at the Institute uses high-speed cameras to catch flight details of the bird of prey for an analysis of flight movements that can be used in the development of future aircraft. (Photo by Sven Hoppe/EPA)





Photo taken on August 8, 2016 shows the baby panda at the Pairi Daiza Zoo in Brugelette, Belgium. The baby panda born in Belgium on June 2 will remain at the Pairi Daiza animal park in the south of the country for four years before returning to China. (Photo by Gong Bing/Xinhua via ZUMA Wire)





A heron stands on a pontoon as competitors are training for the Rio 2016 Olympic Games Rowing events at the Lagoa Rodrigo de Freitas in Rio de Janeiro, Brazil, 10 August 2016. The rowing events have been postponed all day due to bad weather condition. (Photo by Franck Robichon/EPA)





A chimpanzee cub practices on a ball on the day of the opening of the Rio 2016 Olympics at the zoo in Frankfurt, Germany, Friday, August 5, 2016. (Photo by Michael Probst/AP Photo)





(L-R) Blair Heath, 12 and her sister Delaney Heath, 13 wash their pigs prior to the upcoming competition at the Howard County Fair in West Friendship, MD on August 9, 2016. Cloud cover made for a gorgeous day to watch slack rodeo competitions, watch kids compete in livestock contests and later on, take a spin in the amusement park. The fair started on Saturday and will end this Saturday evening. (Photo by Linda Davidson/The Washington Post)





Male leopard Xembalo in his enclosure at the zoo in Leipzig, Germany, 08 August 2016. The environmental oragnisation WWF and the Leipzig Zoo want to cooperate for the protection of Amur and snow leopards. The programme was presented in Leipzig on the occasion of the World Cat Day. (Photo by Sebastian Willnow/EPA)





Female baby zebra Linda stands next to its mother Layla at the zoo in Leipzig, central Germany, Monday, August 8, 2016. Linda was born on July 27, 2016. (Photo by Jens Meyer/AP Photo)





A lioness drinks after being fed by senior keeper Glynn Hennessy at ZSL London Zoo on August 10, 2016 in London, England. Today marks World Lion Day which highlights the first global campaign to celebrate the importance and plight of lions worldwide. (Photo by Carl Court/Getty Images)





Handout photo released on 09 August 2016 by Sendaviva nature reserve and amunsement park of a cub of an European otter (Lutra lutra) born last 07 May weighting 100 grams. This is the third specimen of the endangered species born in the park, placed in Arguedas, Navarra, northern Spain. The cub weighs 2,5 kilo now. (Photo by EPA/Sendaviva)