Brown bears stand on their hind legs inside an enclosure at Libearty Bear Sanctuary near Zarnesti, central Romania, on May 14, 2014. Libearty, Europe's largest bear sanctuary, is home to more than 70 bears, many of which were rescued from ramshackle zoos or from cages at roadside inns and restaurants where they were used to entertain guests, said wildlife experts from the World Society for the Protection of Animals. (Photo by Bogdan Cristel/Reuters)

Sea turtles crawl before being returned to the ocean on a beach in Bali, Indonesia, Wednesday, May 14, 2014. With the help of tourists, Bali police released about a dozen turtles which they seized last month from illegal poachers. (Photo by Firdia Lisnawati/AP Photo)

A view of a young Komodo dragon Ivan, one of two males Komodo dragons at the Bioparco zoo in Rome, on May 15, 2014. (Photo by Tiziana Fabi/AFP Photo)

A Borneon orang utan plays in the courtyard at Surabaya Zoo on May 13, 2014 in Surabaya, Indonesia. South East Asian Zoos Association (SEAZA) delegates and animal experts Prof. G. Agoramoorthy of Tajen University Taiwan, Sam Alagappasamy Chelleiyah of Singapore Zoo, and Dr. Kevin Lazarus of Taiping Zoo Malaysia, Jansen Manansang (former SEAZA President), and KRMT Joko Tirtono (Director of Gembiraloka Zoo Yogyakarta) are to share knowledge about how to handle animals properly. There has been an ongoing conflict within Surabaya Zoo internal management that has lead to numerous fatalities over the last four years due to malnourishment and improper housing. (Photo by Robertus Pudyanto/Getty Images)

Bahraini boys ride their donkeys as they take part in a local race in the village of Saar, West of the capital Manama, on May 10, 2014. (Photo by Mohammed Al-Shaikh/AFP Photo)

Newborn baby seal Conchita is seen at the Boudewijn Seapark in Bruges, on May 12, 2014. The baby seal is most likely female and is named after Austria’s “bearded lady” Conchita Wurst, who won the Eurovision Song Contest Saturday. (Photo by AFP Photo/Boudewijn Seapark Animal Park)

A handout picture released by the Boudewijn Seapark Animal Park on May 12, 2014 shows newborn baby seal Conchita (R) and her mother Celia at the Boudewijn Seapark in Brugges. Thebaby seal, which was born on the eve, is most likely female and is named after Austria's bearded transvestite and winner of the 2014 Eurovision Song Contest Conchita Wurst. In the event it does turn out to be a male, it will be named Conchito. (Photo by Boudewijn Seapark/AFP Photo)

A Turkmenistan man performs on a horse during the opening ceremony of the 2014 International Akhal-Take Horses Association Special Conference and China Horse Culture Festival at Forbidden City in Beijing on May 12, 2014. (Photo by Jason Lee/AFP Photo)

French horse Unmix is pictured before a training session on May 16, 2014 in Dragey-Ronthon, northwestern France. Unmix, ridden by French jockey Bertrand Lestrade, will take part in the Great Steeple-Chase of Paris on May 18, 2014. (Photo by Charly Triballeau/AFP Photo)

Undated handout photo issued by Chester Zoo of a rare Visayan warty piglet, which born at the zoo a week ago. Only 200 Visayan warty pigs are thought to be left in their native habitat in the Philippines – making them the rarest of all wild pigs. (Photo by Chester Zoo/PA Wire)

Passers by check out a swarm of about 5,000 honeybees that have been attracted to a discount sign on the window of a shop in central London, Friday, May 16, 2014, turning the fashion store display into a carpet of insects. It is understood the unusual nesting place was picked by the Queen bee, who landed there first and was quickly followed by her devoted colony. (Photo by Philip Toscano/AP Photo/PA Wire)

Two cows fight during the traditional annual “Combats de Reines” (“Battle of the Queens”), a cow fight in Aproz, western Alpine canton of Valais, Switzerland, Sunday, May 11, 2014. The Valais is home to a unique breed of cows, the Herens also called Eringer cows. Members of this bovine family are very robust and possess the singular characteristic of fighting among themselves to establish a hierarchy within the herd. During the combat the cows simply push forehead against forehead. (Photo by Jean-Christophe Bott/AP Photo/Keystone)

A southwestern speckled rattlesnake, found amid rocks in the Southwestern U.S., is seen at the Los Angeles Zoo during a briefing about the dangers of rattlesnakes Tuesday, May, 13, 2014. The Zoo and California Poison Control System say California residents need to be aware of rattlesnakes that are waking up earlier from hibernation because of the warm weather due to a spring heat wave throughout California. Mother snakes are giving birth to a bumper crop of babies, and even newly born rattlesnakes possess dangerous venom. (Photo by AP Photo)

Scott Kregness of Tower, MN., released an eagle at Wakanda Park in Menomonie, Wis., on May 14, 2014. Earlier in the month, the eagle flew into Kregness' large shrink-wrapped boat near the park as he was transporting it from Florida. The eagle, which was rehabilitated at the Raptor Center in St. Paul, Minn., was transported by volunteer Terry Headley, who held the eagle during the car ride to Menomonie. (Photo by Dan Reiland/AP Photo/Eau Claire Leader-Telegram)

Young female polar bear Lale plays with a ball in the basin of her open-air enclosure at the Zoo am Meer (lit. zoo next to the sea) in Bremerhaven, Germany, 13 May 2014. The polar bear cub was born on 16 December 2013. (Photo by Carmen Jaspersen/EPA)

Young female polar bear Lale plays with a ball in the basin of her open-air enclosure at the Zoo am Meer (zoo next to the sea) in Bremerhaven, northern Germany, Tuesday, May 13, 2014. (Photo by Carmen Jaspersen/AP Photo/DPA)

An American White Pelican displays the bump on the top of his beak, Tuesday, May 13, 2014 at Flamingo Gardens in Davie, Fla. The bump shows the bird wants to mate and will disappear after breeding season. Flamingo Gardens is 60 acres featuring 3000 species of rare & exotic, tropical, subtropical, and native plants and trees. The Everglades Wildlife Sanctuary is home to over 90 species of Florida native birds and animals, most of whom are permanently injured or non-releasable.Other animals are simply dumped at the park's gates. (Photo by AP Photo)

Britain's Minister of State for Foreign and Commonwealth Affairs Hugh Robertson ushers away “Freya”, the cat of Britain's Chancellor George Osborne, as he waits to greet attendees of a Friends of Syria meeting at The Foreign Office in London May 15, 2014. (Photo by Toby Melville/Reuters)

An image made available 12 May 2014 showing a raccoon (Procyon lotor) looking through an opening in a barn in Sieversdorf, Germany, 11 May 2014. The animal has been straying through the village for several days. (Photo by Patrick Pleul/EPA)

A red fox sits in front of a Eurofighter Typhoon combat jet on the grounds of the 2014 ILA Berlin Air Show, in Selchow near Schoenefeld, Germany, Thursday, May 15, 2014. The International Aviation and Aerospace Exhibition ILA will take place from May 20 until May 25, 2014. (Photo by Patrick Pleul/AP Photo/DPA)

This picture taken on May 13, 2014 shows white lion cubs playing with each other in their enclosure in Hangzhou zoo in Hangzhou, east China's Zhejiang province. The three white lion cubs, born three weeks ago, were abandoned by their mother and are now relying on dog milk to survive, local media reported. (Photo by AFP Photo)

A new-born White-mantled Black Colobus tries to reach a leaf to eat in the warm weather at Ueno Zoo in Tokyo, Sunday, May 11, 2014. Tokyo enjoyed a sunny warm day with temperatures at approximately 26 Celsius (79 Fahrenheit). (Photo by Eugene Hoshiko/AP Photo)

Spawning horseshoe crabs are seen along Reeds Beach, N.J. The Fish and Wildlife Service has completed restoration of the first of 31 beaches affected by Hurricane Sandy, according to the Philadelphia Inquirer. (Photo by Elizabeth Robertson/AP Photo)

A post coach is pulled by 28 Rhennish-German horses during a press session near Brueck, Germany, 15 May 2014. Over 400 meters of reins are needed to control the horses. This was an advertisement for the Kaltblueter (draft horse) festival weekend in Brandenburg. (Photo by Ralf Hirschberger/EPA)

Sixteen year old Leo Gregov makes his frog Helga perform a long jump during the frog jumping competition called “Frognight” in the town of Lokve, some 100 km from the Capital Zagreb on May 10, 2014. Frognight is a traditional event in Lokve which is long-term maintenance has become known around the Croatian and even beyond its borders. The first “Frognight” was held in 1975. This year attend 37 competitors. (Photo by AFP Photo/Stringer)

First day of the Balmoral Show in partnership with Ulster Bank at Balmoral Park, Belfast, Northern Ireland, on May 14, 2014. Pictured is Bailey O'Coonor from Seaforde. Ulster Bank has been involved in the Balmoral Show for many years, and 2014 is its sixth year as principal sponsor. (Photo by Stephen Hamilton/Press Eye)

A hummingbird perches on a branch covered in fresh snow from a spring snowstorm, at Eldorado Canyon State Park, in Eldorado Springs, Colo., on Monday, May 12, 2014. A spring storm has brought up to three feet of snow to the Rockies and severe thunderstorms and tornadoes to the Midwest. In Colorado, the snow that began falling on Mother's Day caused some power outages as it weighed down newly greening trees. (Photo by Brennan Linsley/AP Photo)

This photograph, provided by the Louisiana SPCA on May 15, 2014, show two young rabbits brought to Metairie veterinarian Gregory Rich on May 13, 2014, by a woman who saw them thrown from a car in suburban Metairie. Rich splinted their broken legs. The SPCA is offering a $1,000 reward for information leading to arrest and conviction of whoever threw the rabbits. (Photo by Gregory Rich/AP Photo)

Undated handout photo issued West Midland Safari Park of the yet unnamed male calf, the first baby elephant born at the Park in its 41-year history, on May 15, 2014. The baby African elephant, now a week old, weighed in at 100kg (221lb) when he was born on May 5. His mother Five gave birth to him after a 22-month pregnancy following artificial insemination using semen that had been frozen and stored in a French laboratory after being taken from an elephant on a reserve in South Africa. (Photo by West Midland Safari Park/PA Wire)