A kitten with whiskers damaged by heat is inspected by a veterinarian at a property evacuated and partially burnt by the Valley Fire in Hidden Valley Lake, California September 15, 2015. The toll of property loss from the deadly Northern California wildfire has climbed to at least 585 homes and hundreds of other structures destroyed, the California Department of Forestry and Fire Protection reported on Tuesday. REUTERS/David Ryder TPX IMAGES OF THE DAY

"Red Walrus 2011", a red walrus made of dental composite resin, whiskers and brown glass eyes by Belgian artist Carsten Hoeller at the price of 90,000 Euros ($65,300) lies on the ground of the Art Cologne 2015 fair in Cologne April 15, 2015. Some 200 exhibitors from 23 countries are taking part in the 49th Art Cologne from April 16 to April 19, one of the world's leading fairs for progressive, post-war and contemporary art. REUTERS/Wolfgang Rattay

A man walks past "Red Walrus 2011", made of dental composite resin, whiskers and brown glass eyes by Belgian artist Carsten Hoeller at the price of 90,000 Euros (95,300 US dollars) during the Art Cologne 2015 fair in Cologne April 15, 2015. Some 200 exhibitors from 23 countries are taking part in the 49th Art Cologne from April 16 to April 19, one of the world's leading fairs for progressive, post-war and contemporary art. REUTERS/Wolfgang Rattay

A Florida manatee swims in the Three Sisters Springs while under the watchful eye of snorkelers in Crystal River, Florida January 15, 2015. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: SCIENCE TECHNOLOGY ANIMALS SOCIETY ENVIRONMENT TRAVEL)

Florida manatees swim in the Three Sisters Springs while under the watchful eye of snorkelers in Crystal River, Florida January 15, 2015. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: SCIENCE TECHNOLOGY ANIMALS SOCIETY ENVIRONMENT TRAVEL)

Observers count the number of people and manatees traveling in and out of the the Three Sisters Springs in Crystal River, Florida January 15, 2015. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: SCIENCE TECHNOLOGY ANIMALS SOCIETY ENVIRONMENT TRAVEL)

Stuffed manatee dolls line the walls of the gift shop at River Ventures in Crystal River, Florida January 15, 2015. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: SCIENCE TECHNOLOGY ANIMALS SOCIETY ENVIRONMENT TRAVEL)

Novelty money featuring the Florida manatee are part of the numerous manatee branded items for sale at River Ventures in Crystal River, Florida January 15, 2015. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: SCIENCE TECHNOLOGY ANIMALS SOCIETY ENVIRONMENT TRAVEL)

Along with counting manatees and humans inside the Three Sisters Springs, researchers take regular temperature measurements throughout the day to better study why the manatees flock to this area in Crystal River, Florida January 15, 2015. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: SCIENCE TECHNOLOGY ANIMALS SOCIETY ENVIRONMENT TRAVEL)

A manatee calf nurses from its mother inside of the Three Sisters Springs in Crystal River, Florida January 15, 2015. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: SCIENCE TECHNOLOGY ANIMALS SOCIETY ENVIRONMENT TRAVEL)

River Ventures tour operations manager Brandi Bruton gives the required orientation to guests before heading out to snorkel with the manatees at Three Sisters Springs in Crystal River, Florida January 15, 2015. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: SCIENCE TECHNOLOGY ANIMALS SOCIETY ENVIRONMENT TRAVEL)

U.S. Fish & Wildlife Service's Kimberly Sykes, assistant manager of the Crystal River National Wildlife Refuge, discusses the proposed regulations for the Three Sisters Springs in Crystal River, Florida January 15, 2015. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: SCIENCE TECHNOLOGY ANIMALS SOCIETY ENVIRONMENT TRAVEL)

River Ventures' Captain Mike Birns delivers instructions to the guest on board his boat as they head to snorkel with the manatees at Three Sisters Springs in Crystal River, Florida January 15, 2015. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: SCIENCE TECHNOLOGY ANIMALS SOCIETY ENVIRONMENT TRAVEL)

River Ventures' Captain Mike Birns delivers instructions tot he guest on board his boat as they head to snorkel with the manatees at the Three Sisters Springs in Crystal River, Florida January 15, 2015. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: SCIENCE TECHNOLOGY ANIMALS SOCIETY ENVIRONMENT TRAVEL)

A Florida manatee swims by a snorkeler inside of Three Sisters Springs in Crystal River, Florida January 15, 2015. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: SCIENCE TECHNOLOGY ANIMALS SOCIETY ENVIRONMENT TRAVEL TPX IMAGES OF THE DAY)

River Ventures tour operations manager Brandi Bruton gives the required orientation to guests before heading out to snorkel with the manatees at the Three Sisters Springs in Crystal River, Florida January 15, 2015. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: SCIENCE TECHNOLOGY ANIMALS SOCIETY ENVIRONMENT TRAVEL)

A Florida manatee interacts with River Ventures' Captain Mike Birns in the Three Sisters Springs in Crystal River, Florida January 15, 2015. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: SCIENCE TECHNOLOGY ANIMALS SOCIETY ENVIRONMENT TRAVEL)

Gina Hall (C) leans out to the catch the first sightings of manatees while on a guided tour with River Ventures in Crystal River, Florida January 15, 2015. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: SCIENCE TECHNOLOGY ANIMALS SOCIETY ENVIRONMENT TRAVEL)

Gina Hall climbs down the dive ladder on her way to snorkel in the Three Sisters Springs in Crystal River, Florida January 15, 2015. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: SCIENCE TECHNOLOGY ANIMALS SOCIETY ENVIRONMENT TRAVEL)

River Ventures' Captain Mike Birns helps a guest on to his boat as they head to snorkel with the manatees at Three Sisters Springs in Crystal River, Florida January 15, 2015. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: SCIENCE TECHNOLOGY ANIMALS SOCIETY ENVIRONMENT TRAVEL)

Dive boats float by a protected manatee sanctuary and the entrance way to the Three Sisters Springs in Crystal River, Florida January 15, 2015. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: SCIENCE TECHNOLOGY ANIMALS SOCIETY ENVIRONMENT TRAVEL)

A sign welcomes visitors to the Three Sisters Springs in Crystal River, Florida January 15, 2015. Manatees can be seen in the background (L), taking sanctuary in an area off limits to people. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: SCIENCE TECHNOLOGY ANIMALS SOCIETY ENVIRONMENT TRAVEL)

Stand up paddle boarders make their way across the waters of the Three Sisters Springs in Crystal River, Florida January 15, 2015. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: SCIENCE TECHNOLOGY ANIMALS SOCIETY ENVIRONMENT TRAVEL)

Snorkelers interact with a Florida Manatee inside of the Three Sisters Springs in Crystal River, Florida January 15, 2015. On winter days, Florida manatees flock by the hundreds to the balmy waters of Three Sisters Springs, drawing crowds of snorkelers and kayakers to the U.S. sanctuary, where people may swim with the endangered species. But as tolerant as the gentle, whiskered sea giants can be of the accidental kicks and splashes of delighted tourists, wild life regulators want to ban most canoes and paddle boards and create people-free zones to protect the wintering "sea cow." Proposed limitations for this winter are awaiting approval by the U.S. Fish and Wildlife Service. Picture taken January 15, 2015. To match Feature USA-FLORIDA/MANATEE REUTERS/Scott Audette (UNITED STATES - Tags: ANIMALS ENVIRONMENT SOCIETY SCIENCE TECHNOLOGY TPX IMAGES OF THE DAY TRAVEL)

A cat plays with mouse in a courtyard in Medvode July 16, 2014. REUTERS/Srdjan Zivulovic (SLOVENIA - Tags: ANIMALS TPX IMAGES OF THE DAY)

A staff member dressed as mascot "Whisker" poses with visitors at Ocean Park in Hong Kong July 10, 2014. Ocean Park, which employs around 2000 people has conducted Laughter Yoga' sessions for their employees. Consultancy firm ?Inspire 2 Aspire? run Laughter Yoga classes for corporations which partner Mahesh Pamnani believes ease stress and increases productivity and creativity among staff. Laughter Yoga was first developed 1995 in Mumbai, India by Dr. Madan Kataria, and has over 600 clubs in 60 countries, according to Laughter Yoga International. REUTERS/Bobby Yip (CHINA - Tags: SOCIETY HEALTH BUSINESS TRAVEL)

Hero cat Tara, held by owner Roger Triantafilo (R), licks its whiskers as it is surrounded by news media after throwing the ceremonial first pitch before the Bakersfield Blaze and Lancaster Jayhawks Single A baseball game at Sam Lynn Ballpark in Bakersfield, California May 20, 2014. Tara, the California cat that became a YouTube sensation after being caught on video saving Triantafilo's son from a dog attack, has been invited to "throw" the first pitch at a minor league baseball game, Bakersfield Blaze officials said. REUTERS/Kevork Djansezian (UNITED STATES - Tags: ANIMALS SOCIETY SPORT MEDIA TPX IMAGES OF THE DAY)

Stonemason Ben Myall carves a block on a site in London January 22, 2014. British unemployment plunged to within a whisker of the Bank of England's level for considering an increase in interest rates, data showed on Wednesday, but the central bank stressed it would be in no rush to act. The unemployment rate dropped to 7.1 percent in the three months to November, a fraction above the 7 percent level which the bank has said is its threshold for thinking about raising interest rates from their current all-time low of 0.5 percent. REUTERS/Luke MacGregor (BRITAIN - Tags: BUSINESS EMPLOYMENT)

Workers remove debris from a site in London January 22, 2014. British unemployment plunged to within a whisker of the Bank of England's level for considering an increase in interest rates, data showed on Wednesday, but the central bank stressed it would be in no rush to act. The unemployment rate dropped to 7.1 percent in the three months to November, a fraction above the 7 percent level which the bank has said is its threshold for thinking about raising interest rates from their current all-time low of 0.5 percent. REUTERS/Luke MacGregor (BRITAIN - Tags: BUSINESS EMPLOYMENT)

Stonemason Ben Myall carves a block on a site in London January 22, 2014. British unemployment plunged to within a whisker of the Bank of England's level for considering an increase in interest rates, data showed on Wednesday, but the central bank stressed it would be in no rush to act. The unemployment rate dropped to 7.1 percent in the three months to November, a fraction above the 7 percent level which the bank has said is its threshold for thinking about raising interest rates from their current all-time low of 0.5 percent. REUTERS/Luke MacGregor (BRITAIN - Tags: BUSINESS EMPLOYMENT)

A scaffolder works on a site in London January 22, 2014. British unemployment plunged to within a whisker of the Bank of England's level for considering an increase in interest rates, data showed on Wednesday, but the central bank stressed it would be in no rush to act. The unemployment rate dropped to 7.1 percent in the three months to November, a fraction above the 7 percent level which the bank has said is its threshold for thinking about raising interest rates from their current all-time low of 0.5 percent. REUTERS/Luke MacGregor (BRITAIN - Tags: BUSINESS EMPLOYMENT)

A worker repoints a wall in London January 22, 2014. British unemployment plunged to within a whisker of the Bank of England's level for considering an increase in interest rates, data showed on Wednesday, but the central bank stressed it would be in no rush to act. The unemployment rate dropped to 7.1 percent in the three months to November, a fraction above the 7 percent level which the bank has said is its threshold for thinking about raising interest rates from their current all-time low of 0.5 percent. REUTERS/Luke MacGregor (BRITAIN - Tags: BUSINESS EMPLOYMENT)

A delivery man man walks past the window of a recruitment agency in central London January 22, 2014. British unemployment plunged to within a whisker of the Bank of England's level for considering an increase in interest rates, data showed on Wednesday, but the central bank stressed it would be in no rush to act.The unemployment rate dropped to 7.1 percent in the three months to November, a fraction above the 7 percent level which the bank has said is its threshold for thinking about raising interest rates from their current all-time low of 0.5 percent. REUTERS/Andrew Winning (BRITAIN - Tags: BUSINESS POLITICS EMPLOYMENT)

A man walks past the window of a recruitment agency in central London January 22, 2014. British unemployment plunged to within a whisker of the Bank of England's level for considering an increase in interest rates, data showed on Wednesday, but the central bank stressed it would be in no rush to act.The unemployment rate dropped to 7.1 percent in the three months to November, a fraction above the 7 percent level which the bank has said is its threshold for thinking about raising interest rates from their current all-time low of 0.5 percent. REUTERS/Andrew Winning (BRITAIN - Tags: BUSINESS POLITICS EMPLOYMENT)

A whiskered tern flies over the Thalangama Tank in Colombo December 21, 2013. Thalangama Tank is a popular area for "birding sessions". REUTERS/Dinuka Liyanawatte (SRI LANKA - Tags: ANIMALS SOCIETY)

Cricket handlers stimulate their cricket's whiskers using a straw stick to make the insects fight each other during a friendly cricket fighting match in Beijing September 15, 2013. In Beijing, autumn marks cricket fighting season, a traditional Chinese sport with more than 1,000 years of history. Picture taken September 15, 2013. REUTERS/Kim Kyung-Hoon (CHINA - Tags: ANIMALS SOCIETY)

Five days old south American sea lion cub Alida shouts to its mother Kelo at 'Tiergarten Schoenbrunn' Zoo in Vienna, July 11, 2013. REUTERS/Leonhard Foeger (AUSTRIA - Tags: ANIMALS TPX IMAGES OF THE DAY)

A baby rhesus macaque (Macaca mulatta) plays with a tiger cub at a zoo in Hefei, Anhui province, August 2, 2012. REUTERS/Stringer (CHINA - Tags: ANIMALS SOCIETY TPX IMAGES OF THE DAY)

China's Sun Yang swims to win the men's 400m freestyle final at the London 2012 Olympic Games at the Aquatics Centre July 28, 2012. Sun came within a whisker of breaking the world record to win the men's 400 metres freestyle final at the London Aquatics Centre on Saturday and became the first Chinese man to win an Olympic swimming title. REUTERS/Toby Melville (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Hong Kong actor Andy Lau (R) poses with sea lion Whiskers, Ocean Park's mascot, during the opening of Polar Adventure in the park in Hong Kong July 12, 2012. The marine theme park on Thursday launched Asia's first themed area integrating immersive presentations of Arctic and Antarctic animals, including penguins and seals. REUTERS/Bobby Yip (REUTERS - Tags: ANIMALS ENVIRONMENT TRAVEL ENTERTAINMENT)

A male snow leopard, Villy, is pictured in an enclosure at the zoo in Zurich July 11, 2012. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: ENVIRONMENT TPX IMAGES OF THE DAY ANIMALS)

A worker is seen cleaning at Arowana World Breeding Farm 300 km (186 miles) north of Kuala Lumpur March 6, 2012. The arowana, or most commonly known as "Dragon Fish", is known for its agile body, sleek shiny scales and the "whiskers" that give it a resemblance to a Chinese dragon. Demand for the fish is so high that some fetch up to $50,000. Picture taken March 6, 2012. To match MALAYSIA-DRAGONFISH/ REUTERS/Bazuki Muhammad (MALAYSIA - Tags: BUSINESS ANIMALS SOCIETY ENVIRONMENT)

A Sapphire Golden Arowana, named "Long Zai" or "Little Dragon" in Cantonese, swims in its tank at its owner's residence in Kajang outside Kuala Lumpur March 5, 2012.The arowana, or most commonly known as "Dragon Fish", is known for its agile body, sleek shiny scales and the "whiskers" that give it a resemblance to a Chinese dragon. Demand for the fish is so high that some fetch up to $50,000. Picture taken March 5, 2012. To match MALAYSIA-DRAGONFISH/ REUTERS/Bazuki Muhammad (MALAYSIA - Tags: BUSINESS SOCIETY ANIMALS)

Two-week-old arowanas, still with their eggs attached to them, swim in a tank at Arowana World Breeding Farm in Bukit Merah 300 km (186 miles) north of Kuala Lumpur March 6, 2012. The arowana, or most commonly known as "Dragon Fish", is known for its agile body, sleek shiny scales and the "whiskers" that give it a resemblance to a Chinese dragon. Demand for the fish is so high that some fetch up to $50,000. Picture taken March 6, 2012. To match MALAYSIA-DRAGONFISH/ REUTERS/Bazuki Muhammad (MALAYSIA - Tags: BUSINESS ANIMALS SOCIETY)

A Golden Forehead Arowana swims in its display at Arowana Venture Berhad in Kuala Lumpur March 5, 2012. The arowana, or most commonly known as "Dragon Fish", is known for its agile body, sleek shiny scales and the "whiskers" that give it a resemblance to a Chinese dragon, demand for the fish is so high that some fetch up to $50,000. The price tag for this arowana is 13,888 ringgit ($4,630). Picture taken March 5, 2012. To match MALAYSIA-DRAGONFISH/ REUTERS/Bazuki Muhammad (MALAYSIA - Tags: BUSINESS SOCIETY ANIMALS)

An arowana is injected with a micro-chip at Arowana World Breeding Farm in Bukit Merah 300 km (186 miles) north of Kuala Lumpur March 6, 2012. The arowana, or most commonly known as "Dragon Fish", is known for its agile body, sleek shiny scales and the "whiskers" that give it a resemblance to a Chinese dragon, demand for the fish is so high that some fetch up to $50,000. Picture taken March 6, 2012. To match MALAYSIA-DRAGONFISH/ REUTERS/Bazuki Muhammad (MALAYSIA - Tags: BUSINESS SOCIETY ANIMALS)

Two-month-old arowanas swim in a tank at Arowana World Breeding Farm in Bukit Merah 300 km (186 miles) north of Kuala Lumpur March 6, 2012. The Arowana is known for its agile body, sleek shiny scales and the "whiskers" that give it a resemblance to a Chinese dragon, demand for the fish is so high that some fetch up to $50,000. Picture taken March 6, 2012. To match MALAYSIA-DRAGONFISH/ REUTERS/Bazuki Muhammad (MALAYSIA - Tags: BUSINESS SOCIETY ANIMALS)

A Sapphire Golden Arowana, named "Long Zai" or "Little Dragon" in Cantonese, swims in its tank at its owner's residence in Kajang outside Kuala Lumpur March 5, 2012. Known for its agile body, sleek shiny scales and the "whiskers" that give it a resemblance to a Chinese dragon, demand for the fish is so high that some fetch up to $50,000. Picture taken March 5, 2012. To match MALAYSIA-DRAGONFISH/ REUTERS/Bazuki Muhammad (MALAYSIA - Tags: BUSINESS SOCIETY ANIMALS)

A Sapphire Golden Arowana, named "Long Zai" or "Little Dragon" in Cantonese, swims in its tank at its owner's residence in Kajang outside Kuala Lumpur March 5, 2012. Known for its agile body, sleek shiny scales and the "whiskers" that give it a resemblance to a Chinese dragon, demand for the fish is so high that some fetch up to $50,000. Picture taken March 5, 2012. To match MALAYSIA-DRAGONFISH/ REUTERS/Bazuki Muhammad (MALAYSIA - Tags: BUSINESS SOCIETY ANIMALS)

White lions play in the snow in the zoo in the Serbian capital Belgrade February 7, 2012. Zookeepers said it was highly unusual for lions to emerge from their cages and play in the winter snow, which has otherwise caused chaos in the Balkan country and across Europe. REUTERS/Marko Djurica (SERBIA - Tags: ANIMALS ENVIRONMENT TPX IMAGES OF THE DAY)

An Asian short-clawed otter eats a fish in its enclosure at Chester Zoo in Chester, northern England, January 5, 2012. The smallest of the world's otter species are part of a breeding programme at the zoo as they are classed as being vulnerable in the wild. REUTERS/Phil Noble (BRITAIN - Tags: ANIMALS ENVIRONMENT SOCIETY TPX IMAGES OF THE DAY)

A paramilitary policeman stands guard behind a barbed-wire fence during winter in Beijing December 8, 2010. China's total spending on domestic security reached 514 billion yuan ($76.7 billion) in 2009, a whisker below the military budget of 532 billion yuan, a group of social researchers from the elite Tsinghua University in Beijing estimated in a report published earlier this year. REUTERS/David Gray (CHINA - Tags: MILITARY BUSINESS POLITICS)

Britain's opposition Labour Party leader Ed Miliband (L) greets his brother David onstage during the Labour Party conference in Manchester, northern England September 27, 2010. Strong trade union support helped Ed Miliband, a 40-year-old former cabinet minister, beat his older brother David by a whisker in a dramatic Labour Party leadership election on Saturday. REUTERS/David Moir (BRITAIN - Tags: POLITICS) BEST QUALITY AVAILABLE

Former British foreign secretary and failed Labour Party leadership candidate David Miliband waits to speak at the Labour Party conference in Manchester, northern England September 27, 2010. Strong trade union support helped Ed Miliband, a 40-year-old former cabinet minister, beat his older brother David by a whisker in a dramatic Labour Party leadership election on Saturday. REUTERS/David Moir (BRITAIN - Tags: POLITICS)

Former British foreign secretary and failed Labour Party leadership candidate David Miliband waits to speak at the Labour Party conference in Manchester, northern England September 27, 2010. Strong trade union support helped Ed Miliband, a 40-year-old former cabinet minister, beat his older brother David by a whisker in a dramatic Labour Party leadership election on Saturday. REUTERS/David Moir (BRITAIN - Tags: POLITICS)

Former British foreign secretary and failed Labour Party leadership candidate David Miliband waits to speak at the Labour Party conference in Manchester, northern England September 27, 2010. Strong trade union support helped Ed Miliband, a 40-year-old former cabinet minister, beat his older brother David by a whisker in a dramatic Labour Party leadership election on Saturday. REUTERS/David Moir (BRITAIN - Tags: POLITICS)

Former British foreign secretary and failed Labour Party leadership candidate David Miliband speaks during the Labour Party conference in Manchester, northern England September 27, 2010. Strong trade union support helped Ed Miliband (2nd L), a 40-year-old former cabinet minister, beat his older brother David by a whisker in a dramatic Labour Party leadership election on Saturday. REUTERS/David Moir (BRITAIN - Tags: POLITICS)

Former British foreign secretary and failed Labour Party leadership candidate David Miliband looks at a video screen before speaking at the Labour Party conference in Manchester, northern England September 27, 2010. Strong trade union support helped Ed Miliband, a 40-year-old former cabinet minister, beat his older brother David by a whisker in a dramatic Labour Party leadership election on Saturday. REUTERS/David Moir (BRITAIN - Tags: POLITICS)

Former British foreign secretary and failed Labour Party leadership candidate David Miliband hands over a paper before he speaks during the Labour Party conference in Manchester, northern England September 27, 2010. Strong trade union support helped Ed Miliband, a 40-year-old former cabinet minister, beat his older brother David by a whisker in a dramatic Labour Party leadership election on Saturday. REUTERS/David Moir (BRITAIN - Tags: POLITICS)

Britain's opposition Labour Party leader Ed Miliband (L) greets his brother David onstage during the Labour Party conference in Manchester, northern England September 27, 2010. Strong trade union support helped Ed Miliband, a 40-year-old former cabinet minister, beat his older brother David by a whisker in a dramatic Labour Party leadership election on Saturday. REUTERS/David Moir (BRITAIN - Tags: POLITICS)