The teeth of Elek, 17, the oldest male lion of Nyiregyhaza Zoo are checked during a general medical examination in Nyiregyhaza, 245 km east of Budapest, Hungary, Tuesday, November 5, 2013. The life span of lions in the wild is eight years on the average, so Elek is highly esteemed in the zoo for his very old age. (Photo by Attila Balazs/AP Photo/MTI)

A bird lands in a pond in Phoenix Park, Dublin, Ireland, on November 3, 2013. (Photo by Niall Carson/PA)

Hassan Kasskin, a 44-year-old Palestinian, teaches his dog how to rescue people shipwrecked at sea at the beach in Gaza City, on November 6, 2013. (Photo by Mohammed Abed/AFP Photo)

A duck swims across a patch of bright colors from fall leaves reflected in the lake at Clove Lakes Park on November 04, 2013 in New York City. (Photo by Staten Island Advance/Landov/Barcroft Media)

A six-day-old giraffe named baby X nibbles on his enclosure perimeter fence at the Krugersdorp, South Africa Game Reserve, near Johannesburg Friday, Nov. 8, 2013. Baby X was born prematurely on an outcrop of rocks and suffered injuries to itself with the mother giraffe unable to mother the infant. Fearing attack by predators Baby X was removed and taken into extensive care by staff and veterinarians and is making good progress. A competition will be held to name the new born. (Photo by Denis Farrell/AP Photo)

Press Eye Ltd Northern Ireland. Sarah Travers takes part in her very own “bushtucker trial” on The Magazine tomorrow Friday 8 November at 8.00pm on UTV. With UTV's reality show, “Im A Celebrity, Get Me Out of Here!” returning to our screens for a new series on Sunday 17 November, Sarah tries out the nightmare task of the celebrity jungle. (Photo by Darren Kidd /Presseye.com)

A two-day-old female western lowland baby gorilla sleeps in the arms of her mother Koola at the Brookfield Zoo in Brookfield, Illinois, on November 6, 2013. (Photo by Jim Young/Reuters)

A kitten sits on the roof of a house that is covered with volcanic ash from the eruption of Mount Sinabung in Mardingding, North Sumatra, Indonesia, Wednesday, November 6, 2013. The 2,600-meter (8,530-foot) -high volcano has been erupting since Sunday, unleashing volcanic ash high into the sky and forcing the evacuation of villagers living around its slope. (Photo by Binsar Bakkara/AP Photo)

A camel herder stands among his animals as he arrives for the annual cattle fair in Pushkar, India, on November 6, 2013. (Photo by Deepak Sharma/Associated Press)

Kenya Wildlife Service wardens prepare to load a tranquillized male white rhinoceros into a cage for translocation at the Lake Nakuru National park in Kenya's Rift Valley, on November 8, 2013. After implanting radio transmitters into the horns to track the animals, and notching their ears, KWS is translocating 13 white rhinos to the Ruma National park, situated in Lambwe Valley in South Nyanza, to re-establish their population. (Photo by Thomas Mukoya/Reuters)

Two male Barbary lion cubs Terry, left, and Basty, right, are pictured for the first time in their free run at the Zoo in Olomouc, Czech Republic, Thursday, November 7, 2013. The cubs were born on August 11. 2013. At the Olomouc Zoo 19 cubs were born since 1995. It is the only one in the Czech Republic where these lions breed. (Photo by Ludek Perina/AP Photos/CTK)

Hindu devotees lie on the ground in front of running cows as part of a ritual during the Govardhan Puja festival in Dhar, India, on November 4, 2013. Hindus believe that Lord Krishna lifted Govardhan Mountain on this day to save the villagers from excessive rains. (Photo by Chetan Soni/Reuters)

A panda cub trying to climb his cage grid in Chengdu, China, on November 7, 2013. (Photo by Caters News/The Grosby Group)

Cecilia Webber takes photos of nude models and spends up to a year editing them together on her computer to create extraordinary collages. (Photo by Cecelia Webber/Solent News & Photo Agency)

Pelicans silhouetted by a setting sun fly as they look for fish along the California coastline near Leucadia, on November 2, 2013. (Photo by Mike Blake/Reuters)

This fierce bear shows its more relaxed and calm side by having a lazy day as it sleeps on a beach in Norway, on November 6, 2013. (Photo by Olav Thokle/Solent News)

An act of love between Martin the zebra and Giada the donkey has produced a rare “zonkey” baby that is drawing crowds to an exotic animal shelter in Florence, Italy, on November 2, 2013. (Photo by Tiziana Fabi/AFP Photo)

A hippo yawns at the Zoo in Berlin as a new director of the animal park is appointed. (Photo by Stephanie Pilick/AFP Photo)

A snowy Owl sits in an enclosure at the Zoo in Hof, Germany, on November 5, 2013. (Photo by David Ebener/AFP Photo)

A raccoon takes a walk around the Zoo in Hof, Germany, on November 5, 2013. (Photo by Christoph Veeser/AFP Photo/DPA)

A three-month-old Sumatran tiger cub named “Bandar” shows his displeasure after being dunked in the tiger exhibit moat for a swim reliability test at the National Zoo in Washington, on November 6, 2013. All cubs born at the zoo must take a swim test before being allowed to roam in the exhibit. Bandar passed his test. (Photo by Manuel Balce Ceneta/Associated Press)

Bandar was one of two cubs born August 5 who were tested to make sure they have the ability to keep their heads above water, navigate the shallow end of the moat, and possess the strength and ability to climb onto dry land. (Photo by Gary Cameron/Reuters)

Sumatran tiger cub Sukacita is held by biologist Leigh Pitsko after the cub performed her swim test at the National Zoo, on November 6, 2013. (Photo by Win McNamee/Getty Images)

French veterinaries demonstrate toward the Health ministry, on November 6, 2013 in Paris, to ask for the removal of a provision in an agriculture bill planned by the government which will restrict drug delivery by practitioners. (Photo by Kenzo Tribouillard/AFP Photo)

A coypu cools off in the water at the zoo in Hof, Germany, on November 5, 2013. (Photo by David Ebener/AFP Photo/DPA)