Punxsutawney Phil, the weather prognosticating groundhog, is held by the gloved hands of handler Ron Ploucha during the 129th celebration of Groundhog Day on Gobbler's Knob in Punxsutawney, Pa., Monday, February 2, 2015. Phil saw his shadow, predicting six more weeks of winter weather. (Photo by Gene J. Puskar/AP Photo)

Monkeys huddle together for warmth during snow fall in Tangmarg, some 40 kilometers north of Srinagar, the summer capital of Indian Kashmir, February 3, 2015. According to local reports heavy snows left the National Highway 1A closed, flights cancelled and train services suspended, leaving the whole valley effectively cut off. (Photo by Farooq Khan/EPA)

A puppy sleeps in a cage during a two-day dog exhibition in Minsk, Belarus, Sunday, February 1, 2015. (Photo by Sergei Grits/AP Photo)

A flock of starlings is seen as they perform their traditional dance fly before landing to sleep during the sunset near the southern Arab Israeli city of Rahat, in the northern Israeli Negev desert, on February 2, 2015. (Photo by Menahem Kahana/AFP Photo)

A flock of starlings fly in formation near the Arab town of Rahat, southern Israel, February 3, 2015. (Photo by Abir Sultan/EPA)

In this March 9, 1995 file photo, trainer Marcia Hinton pets Lolita, a captive orca whale, during a performance at the Miami Seaquarium in Miami. The federal government has decided that the whale deserves the same protection as a small population of endangered orcas that spend time in Washington state waters. But the National Marine Fisheries Service also said Wednesday, February 4, 2015, that the whale's inclusion in the endangered listing does not impact the animal's stay at the Florida facility where she has been since 1970. (Photo by Nuri Vallbona/AP Photo/Miami Herald)

In this January 21, 2015, photo, a pelican perches on one of the tractor tires used for fish habitat on Lake Perris in Perris, Calif. A reef made of giant tires that was sunk 40 years ago in a Southern California lake has broken surface again, thanks to the drought. (Photo by Terry Pierson/AP Photo/The Press-Enterprise)

Seagulls fly at a beach at the Baltic Sea town of Karlshagen, eastern Germany, Tuesday February 3, 2015. Weather forecasts predict changeable weather. (Photo by Stefan Sauer/AP Photo/DPA)

Seagulls fly above a Baltic Sea beach in Karlshagen, Germany, 3 February 2015. (Photo by Stefan Sauer/EPA)

Mother giant panda Juxiao (top) picks up one of her triplets with her mouth inside their enclosure at Chimelong Safari Park in Guangzhou, Guangdong province, February 1, 2015. The triplets, which reached 6-month-old on Thursday, were the fourth set of giant panda triplets born with the help of artificial insemination procedures in China, and the birth is seen as a miracle due to the low reproduction rate of giant pandas, local media reported. (Photo by Alex Lee/Reuters)

A miniature Labradoodle dog shakes off sea water as it plays with another dog along the beach in Del Mar, California February 3, 2015. (Photo by Mike Blake/Reuters)

A miniature Labradoodle dog plays in the sand and surf in Del Mar, California February 3, 2015. (Photo by Mike Blake/Reuters)

Sumatran tiger Melati walks past a present box to celebrate the first birthday of her cub triplets in their enclosure at London Zoo in London, February 4, 2015. The Zoo left gifts for the cubs in their enclosure, but they were afraid to approach the boxes, leaving their mother to enjoy their contents. (Photo by Stefan Wermuth/Reuters)

A baby wallaby looks out from its mother's pouch at ZSL Whipsnade Zoo on February 3, 2015 in Bedfordshire, England. South-East UK woke up to snow today with the arrival of Siberian gales bringing sub-zero temperatures. (Photo by Tony Margiocchi/Barcroft Media)

A swan walks at a crossroads controlled by traffic lights after landing in the Kreuzberg neighborhood of Berlin, Germany, 04 February 2015. (Photo by Jens Kalaene/EPA)

A hedgehog named Pugovka [Button] seen by a Cloudy sign in Yekaterinburg's Zoo, Russia, on February 2, 2015. Employees of the zoo predict the weather for the upcoming spring based on the hedgehog's behaviour. (Photo by Donat Sorokin/TASS/ZUMA Wire)

The female Asian Elephant baby will celebrate its first birthday tomorrow in the Ostrava Zoo, Czech Republic, on February 3, 2015. (Photo by Jaroslav Ozana/CTK/ZUMA Wire)

In this February 10, 2009, file photo, a Hawaiian monk seal basks in the late afternoon sun on the beach in Hau'ula, Hawaii, on the north shore of Oahu. An environmental group on Thursday, February 5, 2015, recommended more federal spending to help prevent critically endangered Hawaiian monk seals from becoming extinct. The world's population of Hawaiian monk seals is less than 1,100. (Photo by Jim Collins/AP Photo)

Eve Mueller-Deck from the veterinary team of the zoo in Leipzig, eastern Germany, examines on February 3, 2015 a male sloth bear baby. Sloth bear twins were born at the zoo on December 25, 2014. (Photo by Hendrik Schmidt/AFP Photo/DPA)

Meerkats warm up in their enclosure in the zoo Wilhelma in Stuittgart, southern Germany, on February 3, 2015. Meerkats live in all parts of the Kalahari Desert in Botswana, in much of the Namib Desert in Namibia, southwestern Angola and in South Africa. (Photo by Marijan Murat/AFP Photo/DPA)

Dog “Ronja” tries to catch a frisbee near Kirchroth, southern Germany, on February 5, 2015. (Photo by Armin Weigel/AFP Photo/DPA)

A Great Mormon (Papilio memnon) butterfly sits on a leaf in a greenhouse in the Botanical Gardens, Munich-Nymphenburg, Germany, February 4, 2015. The live butterflies can be viewed in a special exhibition that runs until March 22, 2015. (Photo by Sven Hoppe/EPA)

Dragan, the small Siberian tiger, also known as an Amur tiger, walks through the fresh snow in his enclosure at the zoo in Eberswalde, Germany, 31 January 2015. (Photo by Patrick Pleul/DPA)

Female tiger cub Alisha licks her nose at the zoo in Berlin, Germany, February 2, 2015. The cub is the last surviving animal of a triplet litter born on 10 December 2014. The mother tiger did not have enough milk, so that two of the three cubs died after eleven days. Alisha also lost a lot of weight, prompting zoologist and zookeepers to have a zookeeper team nourish her with a bottle. (Photo by Tim Brakemeier/EPA)

Male baby Kangaroo Norman gets milk from its substitute mother and zookeeper Yvonne Wicht at the Zoo in Krefeld, Germany, Friday, February 6, 2015. Norman was born in September and was expulsed by it's biological mother so that zoo keeper Wicht jumped into that role. The resettlement into it's family is planned for spring. (Photo by Frank Augstein/AP Photo)

Male baby Kangaroo Norman looks out of a bag fixed around the neck of its substitute mother and zookeeper Yvonne Wicht at the Zoo in Krefeld, Germany, Friday, February 6, 2015. (Photo by Frank Augstein/AP Photo)

Male baby Kangaroo Norman is held by its substitute mother and zookeeper Yvonne Wicht at the Zoo in Krefeld, Germany, Friday, February 6, 2015. (Photo by Frank Augstein/AP Photo)

A tapir walks on snow on January 31, 2015 in its enclosure in Berlin zoo. (Photo by Britta Pedersen/AFP Photo/DPA)

Dogs waiting to start a dog sled race in Unterjoch, Germany, January 31, 2015. About 700 sled dogs take part at the international race, where they have to cover a distance between six and sixteen kilometres. (Photo by Karl-Josef Hildenbrand/EPA)

A female Indian rhinoceros called Maruska eats a vegetable birthday cake on her first birthday celebration at the Plzen Zoo on February 3, 2015 in Plzen, Czech Republic. (Photo by Ladislav Nemec/Isifa)

Teresa Sepetauc releases a pelican after it was treated at Miami's Pelican Harbor Seabird Station, Tuesday, February 3, 2015. While most seabirds are released after treatment, about 25 birds will be there for their lives. Sepetauc, the rehabilitation manager, reports in 2014, the station treated almost 2,000 birds, a record for them. (Photo by J. Pat Carter/AP Photo)

A young lion cub plays with a female lion at the Lion Park outside Johannesburg, South Africa, Wednesday February 4, 2015. (Photo by Jerome Delay/AP Photo)