People follow king penguins exploring their outdoor pen, during a so-called “penguin parade”, when the animals walk outside their enclosure and the visitors can walk behind them, at Zurich's Zoo in Zurich, Switzerland January 28, 2017. (Photo by Arnd Wiegmann/Reuters)

PETA (People for the Ethical Treatment of Animals) activists wear crocodile masks during a demonstration against the use of crocodile skins ahead of Milan's Fashion Week, in Milan's Duomo Square, Italy, Tuesday, February 21, 2017. Milan Fashion Week opens Wednesday. (Photo by Antonio Calanni/AP Photo)

Take me away, deer, Russia. The Nenet people of Arctic Russia use reindeer and sledges as a prime mode of transport. The animals’ navigational ability means that in severe conditions they are sometimes the only hope of survival. (Photo by Kamil Nureev/Smithsonian Photo Contest)

Prince Dudeman stands on Ryan Thor's head at the 14th annual Helen Woodward Animal Center “Surf-A-Thon” where more than 70 dogs competed in five different weight classes for “Top Surf Dog 2019” in Del Mar, California, U.S., September 8, 2019. (Photo by Mike Blake/Reuters)

A child looks at window cleaners work while dressed in sheep (C) and monkey costumes, denoting animal signs of the Chinese zodiac calendar, during an event marking the upcoming end of the year at a hotel in Tokyo, Japan, December 21, 2015. According to the zodiac calendar, 2015 is the year of the sheep and 2016 is the year of the monkey. (Photo by Thomas Peter/Reuters)

Teams face off in the Cartier Elephant Polo Cup November 18, 2006 in Jaipur, in the Indin state of Rajasthan. Cartier hosted the event which was held to highlight the plight of the dwindling numbers of Asian elephants. Indian and international celebrities flew in the India's “Pink City” for the high society event held by the global watch and jewelry giant. The animal rights organization, People for the Ethical Treatment of Animals, “PETA” had planned to protest the match, saying that elephants should not be used for sport. Elephants in Jaipur are commonly used for carrying tourists at historic sites. (Photo by John Moore/Getty Images)

Dema and Manis, the 26-day-old endangered Sumatran Tiger cubs play together at the “Taman Safari Indonesia” Animal Hospital, on February 26, 2007 in Cisarua, Bogor Regency, West Java, Indonesia. The two Sumatran tiger-cubs recently born at the hospital have been rejected by their mother Cicis, while baby Orangutans, Irma and Nia have also been rejected by their mothers. All babies are being looked after by staff at the Animal Hospital. (Photo by: Dimas Ardian/Getty Images)

A woman uses the Aurasma app on an iPad which displays a virtual 3D animation of a Thundercat character which her colleague pretends to fight at the 2012 London Toy Fair at Olympia Exhibition Centre on January 24, 2012 in London, England. The annual fair, which is organised by the British Toy and Hobby Association, brings together toy manufacturers with retailers from around the world. (Photo by Oli Scarff/Getty Images)