Mushon, 45, a Sumatran Orangoutang plays with a piece of bamboo and a tin can in the Tel Aviv Ramt Gan Zoological Center near Tel Aviv, Israel, March 23, 2014.

A zoo staff member touches Mango, a 19-year-old Syrian brown bear, during preparations for his surgery at the Ramat Gan Safari near Tel Aviv, May 7, 2014.

A baby sloth peeks out from behind a door on a floating house near Manaus, Brazil, May 20, 2014.

An Australian Koala, born with a damaged eye, sits atop a branch in its enclosure at Sydney Zoo, Sydney, April 3, 2014.

A crow on the roof of the Chancellery, Berlin, May 6, 2014.

A dolphin jumps as a large wave starts to roll, San Diego, Calif., Jan. 20, 2014.

Fighters struggle with a wild horse during a traditional event in the Spanish village of Sabucedo, July 5, 2014.

Oklahoma City police officer Sgt. Ryan Stark leans over the casket of his canine partner, K-9 Kye, following funeral services for the dog in Oklahoma City, Aug. 28, 2014.

A veterinary staff member at an orangutan conservation center conducts medical examinations on an orangutan found with air gun metal pellets embedded in his body in Sibolangit district, northern Sumatra, Indonesia, April 16, 2014.

Chickens are seen surrounded by plants covered by ash from Mount Sinabung near Sigarang-Garangvillage in Karo district, Indonesia's North Sumatra province, Jan. 12, 2014.

A cat colored with green paint in Varna east of Sofia, Bulgaria, Dec. 05, 2014.

Mustafa Mohamed, 5, reaches to trim a horse at his father's makeshift animal barber shop in Cairo, March 8, 2014.

A fisherman transports a dead whale shark after it was caught in fishermen's net, in Yangzhi county, Fujian province Aug. 1, 2014.

Fisherman feed their otters as they catch fish in Narail, Bangladesh, March 11, 2014.

35,000 walruses gather on shore near Point Lay, Alaska, Sept. 27, 2014.

Top view of a lion on the cage of a vehicle at the Safari Lion Zoo in Rancagua, Chile, Oct. 30, 2014.

An eight-month-old trained monkey sits on a can next to his owner, holding the leash as they wait for customers to perform to in a park in Islamabad, Pakistan, Jan. 31, 2014.

Maria Torero, seen here with her son, cares for 175 cats with leukemia at her home in Lima, Peru, Aug. 15, 2014.

A donkey looks out of its shelter at a coal mine in ChoaSaidan Shah in Punjab Province, Pakistan, May 5, 2014.

Indian Border Security Force Dog Squad personnel take part in a march during Republic Day celebrations in Jammu. India, Jan. 26, 2014.

A bird flies over the crater of mount Bromo after it was thrown by Hindu worshippers during the Yadnya KasadaFestival Aug. 12, 2014.

A Lipizzan horse is seen during a show of the Spanish Riding School from Vienna, Austria, at the Ziggo Dome arena in Amsterdam, The Netherlands, Nov. 29, 2014.

A young giraffe named Marius was shot dead and autopsied in the presence of visitors to the gardens at Copenhagen Zoo, Feb. 9, 2014.

A dove released during an Angelus prayer conducted by Pope Francis, is attacked by a seagull in Saint Peter's square at the Vatican Jan. 26, 2014.

A Colombian Army Special Forces soldier rappels with a dog during a military exercise during the visit of US Secretary of Defense Chuck Hageland Colombian Defense Minister Juan Carlos Pinzon at a military base in Tolemaida, Colombia, on October 10, 2014. (Guillermo Legaria/AFP/Getty

Images)

A male red deer with antlers covered in bracken, walks through undergrowth in Richmond Park, London, Oct. 3, 2014.

A man grooms his mini poodle after competition at the 2014 China International Pet Show in Beijing, Nov. 17, 2014.

Swans sit in a boat after they were rounded up from Hamburg's lake Alster, Nov. 18, 2014.

A child, cuddling a cat, rests under a shelter at theearthquake zone in Ludian county, Zhaotong, Yunnan province, China, on August 5, 2014, following and earlier earthquake that triggered landslides and killedmore than 400 people. (Reuters/Stringer)

A whale captures a pelican between its jaws, Monteray Bay, Calif., Nov. 23, 2014.

Fish jump past a tourist during sunset by the island of Koh Tao, Thailand, on September 20, 2014. (Reuters/Chaiwat Subprasom)

A Chinese Crested dog takes a bath at a pet salon, Sao Paulo March 27, 2014.

A raccoon in the Fasanerie animal and plant park, Wiesbaden, Germany, June 21, 2014

A small owl yawns as it sits in the snow in Ansung City, Gyeonggi Province, South Korea, Dec. 4, 2014.

Piglets are carried over floodwaters by a resident as they return to their home after fleeing earlier due to a swollen river in suburban San Mateo, Rizal province, Philippines, Sept. 15, 2014.

An elephant immerses behind a window in the elephants' indoor pool at the Zoo in Leipzig, Germany, Aug.

5, 2014.

A Great White Shark in Mossel Bay, South Africa

Japanese Macaque monkeys soak in the warmth of mountainhotsprings at Jigokudani Monkey Park, Yamanouchi, Japan, Jan. 19, 2014.

A Bengal Tiger yawns in its enclosure in Shanghai Zoo, Shanghai, Nov. 18, 2014.

In this photo provided to Reuters by the Lort Smith Animal Hospital in Melbourne, a 10-year-old pet goldfish is operated for the removal of a life-threatening head tumor, Sept. 11, 2014.

A horse is rescued, in Jalandhar, in the northern Indian state of Punjab, March 5, 2014.

(Aref Karimi/AFP/Getty Images)An Afghan man leads a goat ahead of the sacrificial Eid al-Adha festival at the animal market during sunset on the outskirts of Herat on October 2, 2014.

A leopard leaps across an under-construction structure near a furniture market in the Degumpur residential area as a bystander moves out of the way in Meerut, India, Feb. 23, 2014.

A panda named Li Li plays on a tree in thesunshine in a zoo in Hangzhou in Zhejiang Province, China, Jan. 01, 2014.

A cat is placed in a transport bag during the World Cat Show in Prague, Oct. 25, 2014.

(Gonzalo Arroyo Moreno/Getty Images)Colored powder is flies above participants in the annual Holi Run in Madrid, Spain, on on October 19, 2014.

A thoroughbred racehorse is seen after morning workouts on the day of the 140th running of the Kentucky Derby at Churchill Downs in Louisville, Ky, May 3, 2014.

A stray dog from Sochi, Russia gets acclimated to its "doggie den" after arriving at the Washington Animal Rescue League shelter in Washington, D.C., March 27, 2014.

A cormorant master prepares sea cormorants in Gifu, Japan, July 2, 2014.

A polar bear swims at a zoo in Mulhouse, France, on November 13, 2014. (Sebastien

Bozon/AFP/Getty Images)

A bird covered in spilled oil perches on the banks of the San Juan river in Cadereyta August 26, 2014. An oil pipeline spill contaminated the river in thenorthern Mexican state of Nuevo Leon. The 24-inch Madero-Cadereyta pipeline, owned by national oil company Pemex, was ruptured when thievesattempted to tap into it, the company said. (Reuters/Daniel Becerril)

A black bear lies on a hammock at a residential back yard in Daytona Beach, Florida early evening on May 30, 2014

An Arabian horse stands in front of a living room door. After a powerful storm swept through northern Germany in December, Stephanie Arndt brought the horse, named Nasar, inside and he now regularly stays in the house, Holt, Germany, Feb. 10, 2014.

A cat tears through a government palace corridor as officials await the arrival of U.S. Assistant Secretary of State, Asuncion, Paraguay, March 20, 2014.

All photos belong to their original authors