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Open Image ModalIn this Monday, Sept. 23, 2013 photo, fourteen panda cubs are arranged in a crib for photos as they are shown to the public at the Giant Panda Breeding and Research Base in Chengdu, in southwest China\'s Sichuan province. (AP Photo) (credit:AP)
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Open Image ModalA falcon flies over the Liwa desert, 220 kms west of Abu Dhabi, on the sidelines of the Mazayin Dhafra Camel Festival on December 21, 2013. (KARIM SAHIB/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalA pink flamingo is seen on October 3, 2013 at the Zoological Center of Antwerp. (JOHN THYS/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalA bee collects pollen from a yellow flower on May 17, 2013 in Baghdad. (ALI AL-SAADI/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalA snowy owl sits in its compound at the zoological garden during low temperatures in Hof, southern Germany, Tuesday, Nov. 5, 2013. (AP Photo/dpa, David Ebener) (credit:AP)
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Open Image ModalA three-month-old Sumatran tiger cub named \"Bandar\" reacts after being dunked in the tiger exhibit moat for a swimming test at the National Zoo in Washington, Wednesday, Nov. 6, 2013. (AP Photo/Manuel Balce Ceneta, File) (credit:AP)
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Open Image ModalBarn Owl chicks (chouette-effraie) are pictured at the zoo of the French eastern city of Amneville, on July 8, 2013. (JEAN-CHRISTOPHE VERHAEGEN/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalThis photo, made Wednesday, Oct. 9, 2013, shows a baby hippo, foreground, that was born Oct. 3 at the Gulf Breeze Zoo in Gulf Breeze, Florida. (AP Photo/Northwest Florida Daily News, Nick Tomecek) (credit:AP)
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Open Image ModalNew-born gorilla NAikais is held in the arms of its mother in Burgers Zoo in Arnhem, The Netherlands, on November 28, 2013. (ROBIN UTRECHT/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalA cheetah walks in the snow at Mulhouse zoo, on February 12, 2013. (SEBASTIEN BOZON/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalNorthern gannets congregate on the Lummen cliffs, where thousands of the birds have made their home, on August 3, 2013 on Helgoland Island, Germany. (Photo by Sean Gallup/Getty Images) (credit:Getty Images)
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Open Image ModalHundreds of Scarlet macaws (Ara macaw) are released at Xcaret park, in the Mayan Riviera, near Playa del Carmen city, Mexico on April 25, 2013. (ELIZABETH RUIZ/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalAn Amur tiger lies in the snow at the Calgary Zoo in Calgary, Canada on Thursday, Nov. 28, 2013. (AP Photo/The Canadian Press, Jeff McIntosh) (credit:AP)
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Open Image ModalCamels walk along sand dunes in the Liwa desert, 220 kms west of Abu Dhabi, as the Mazayin Dhafra Camel Festival takes place on December 22, 2013. (AFP PHOTO/KARIM SAHIB) (credit:Getty Images)
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Open Image ModalSeagulls fly in Ipanema beach on a cloudy day in Rio de Janeiro, on November 30, 2013 Brazil. (CHRISTOPHE SIMON/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalA Southern right whale slaps its tail near the shore of Muizenberg Beach in False Bay, Cape Town on October 11, 2013. (JENNIFER BRUCE/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalA white-handed gibbon, yet to be named, clings to his mother 24-year-old Phoenice, Thursday, Nov. 21, 2013, at the Philadelphia Zoo. (AP Photo/Matt Rourke) (credit:AP)
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Open Image ModalA Southern right whale breaches near the shore of Muizenberg Beach in False Bay, Cape Town on October 11, 2013. (JENNIFER BRUCE/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalA six-month old female liliger cub Eva plays in the snow in a Zoo in Novosibirsk, Russia, Thursday, Dec. 5, 2013. (AP Photo /Ilnar Salakhiev) (credit:AP)
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Open Image ModalA female Bornean orangutan named Dam is seen with her newborn son Veera at the Singapore Zoo on March 6, 2013. (ROSLAN RAHMAN/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalA picture taken on March 8, 2013 shows horses in a field along the border between Syria and Israel, in the Golan Heights. (JACK GUEZ/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalSnails are pictured at the \'Snail Garden\' farm in Krasin, northern Poland, on May 29, 2013. (JANEK SKARZYNSKI/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalA herd of wild elephants from the nearby Rani Forest reserve eat water hyacinths in the wetlands at Deepor Beel on the outskirts of Guwahati on August 24, 2013. (BIJU BORO/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalThe hamadryas baboons behave strangely at the Emmen Zoo in Emmen, inNetherlands, on July 31, 2013. (VINCENT JANNINK/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalPuffins return to their summer breeding grounds on the Farne Islands as National Trust rangers carry out a Puffin census on May 16, 2013 in the Farne Islands, England. (Photo by Jeff J Mitchell/Getty Images) (credit:Getty Images)
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Open Image ModalA polar bear shakes off the water while he swims in the pool of its enclosure in the zoo of Hannover, northern Germany, Friday March 15, 2013. (AP Photo/dpa, Jochen Luebke) (credit:AP)
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Open Image ModalJapanese macaque monkeys huddle together in a group to protect themselves against the cold weather at Awajishima Monkey Center on January 26, 2013 in Sumoto, Hyogo Prefecture, Japan. (Photo by Buddhika Weerasinghe/Getty Images) (credit:Getty Images)
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Open Image ModalA Sri Lankan elephant bathes in a pond at Gangarama temple in Colombo on June 2, 2013. (Ishara S.KODIKARA/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalA poisonous frog (Phyllobates bicolor) is shown in Santa Fe Zoo, in Medellin, Colombia, on January 15, 2013. (FREDY AMARILES/AFP/Getty Images) (credit:Getty Images)
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Open Image ModalIn this Tuesday, Jan. 8, 2013 photo provided by Marina Lacasse, a killer whale surfaces through a small hole in the ice near Inukjuak, in Northern Quebec. (Marina Lacasse, The Canadian Press / AP) (credit:Marina Lacasse, The Canadian Press / AP)