Two baby orangutans play with each other at the wildlife department in Kuala Lumpur, Malayasia, October 19, 2015. The Malaysian wildlife department in July seized two baby Sumatran orangutans, found in duffel bags, from traffickers who were attempting to sell them to buyers in Malaysia. According to local media, the orangutans will be returned to Medan, Indonesia on Tuesday. The illegal wildlife trade is estimated to be $8 billion a year worldwide, according to TRAFFIC, a wildlife trade monitoring network. (Photo by Olivia Harris/Reuters)





A newborn Asian elephant is helped by his mother Farina (R) to stand up at Pairi Daiza wildlife park, a zoo and botanical garden in Brugelette, Belgium, May 25, 2015. (Photo by Francois Lenoir/Reuters)





A flamingo and flamingo chicks are seen in a corral before being fitted with identity rings at dawn at a lagoon in the Fuente de Piedra natural reserve, in Fuente de Piedra, near Malaga, southern Spain, August 8, 2015. (Photo by Jon Nazca/Reuters)





Rabbits are seen in a cage, which is placed by authority as a test of the living conditions near the site of last week's blasts at Binhai new district in Tianjin, China, August 19, 2015. (Photo by Reuters/Stringer)





Bearded Collies sit on their grooming tables during the second day of the Crufts Dog Show in Birmingham, central England, March 6, 2015. (Photo by Darren Staples/Reuters)





International Monetary Fund (IMF) Managing Director Christine Lagarde (L) takes a photo of a llama during her tour of Machu Picchu, Peru, in this October 5, 2015 handout photo by IMF. Lagarde is in Peru to attend the 2015 IMF/World Bank annual meetings. (Photo by Stephen Jaffe/Reuters)





An male emperor tamarin (Saguinus imperator) carries a four-week-old infant at Schoenbrunn Zoo in Vienna, Austria, May 29, 2015. The infant was born at the zoo on April 26 and measures some 5 cm (2 inches) without its tail. (Photo by Heinz-Peter Bader/Reuters)





In this Wednesday, September 29, 2015 file photo, Sahara, a rare red-haired female Hamadryas Baboon holds 3 weeks old dark-furred baby in the Ramat Gan Safari Park near Tel Aviv, Israel. It was the first time in decades that one of these light-furred primates has given birth at the zoo. (Photo by Ariel Schalit/AP Photo)





A monkey drinks from a water tap on a hot summer day in Jammu, India, Wednesday, June 10, 2015. (Photo by Channi Anand/AP Photo)





Jose poses with his rooster named Luis to be photographed for tourists in Trinidad, Cuba, Sunday, October 11, 2015. (Photo by Ramon Espinosa/AP Photo)





In this April 18, 2015, file photo, a monkey dips its hand into a water receptacle at the Amazon Animal Orphanage in the Pilpintuwasi rainforest, near Iquitos, Peru. The monkey was among dozens of animals that Animal Defenders International, with the assistance of the Peru's air force and navy, airlifted Saturday to the animal refuge in Peru's amazon rainforest from Lima, where they were held after being rescued from animal traffickers and circus programs. (Photo by Rodrigo Abd/AP Photo)





Four white lion cubs, born two weeks ago, are seen in a basket at the Taigan Safari Park, in Belogorsk, about 50 km (31 miles) east of Simferopol, Crimea, Wednesday, July 29, 2015. The newly born white lion cubs were shown to the media for the first time Wednesday. (Photo by Alexander Polegenko/AP Photo)





A small dog peers from a car at an Ukrainian army checkpoint near Kurakhove, Ukraine, Tuesday, March 3, 2015 on a road leading to Russia-backed separatists held territory. Ukraine's president signed a decree Monday opening the way to a formal request for international peacekeepers to be stationed in eastern regions where government forces are battling Russian-backed separatists. (Photo by Vadim Ghirda/AP Photo)





Little Amur tiger girl Alisha is presented to the public at the Tierpark zoo in Berlin, Germany, Thursday, January 22, 2015. Alisha is one of three young tigers born in December 2014. Two died because their mother Aurora could not produce enough milk for them, so the zoo decided to feed the cub by hand. (Photo by Michael Sohn/AP Photo)





A polar bear, which arrived from Russia last December, is pictured at Sao Paulo Aquarium April 14, 2015. The polar bears will be presented to the public on Thursday, when a new area of the aquarium will be inaugurated. (Photo by Jose Patricio/Reuters)





Cats crowd the harbour on Aoshima Island in the Ehime prefecture in southern Japan February 25, 2015. An army of cats rules the remote island in southern Japan, curling up in abandoned houses or strutting about in a fishing village that is overrun with felines outnumbering humans six to one. (Photo by Thomas Peter/Reuters)





Sparrows fly around a bird feeder in Putgarten, Germany, September 29, 2015. (Photo by Hannibal Hanschke/Reuters)





A Buddhist monk plays with a tiger at the Wat Pa Luang Ta Bua, otherwise known as Tiger Temple, in Kanchanaburi province February 12, 2015. (Photo by Athit Perawongmetha/Reuters)





Arthur Ward stands with his Pyrenean Mountain Dog Cody during the first day of the Crufts Dog Show in Birmingham, central England, March 5, 2015. (Photo by Darren Staples/Reuters)





A keeper feeds a four-week-old jaguar while presenting it to the media, at a zoo in Ciudad Juarez, Mexico, October 14, 2015. (Photo by Jose Luis Gonzalez/Reuters)





A hyena eyes a herd of zebra at Lake Nakuru National Park, Kenya, August 19, 2015. The Park is home to some of the world's most majestic wildlife including lions, rhinos, zebras and flamingos. The scenery is stunning, from forests of acacia trees to animals congregating at the shores to drink. (Photo by Joe Penney/Reuters)





Dairy cows nuzzle a barn cat as they wait to be milked at a farm in Granby, Quebec July 26, 2015. Pacific Rim officials meet in Hawaii this week for talks which could make or break an ambitious trade deal that aims to boost growth and set common standards across a dozen economies ranging from the United States to Brunei. Canada's refusal so far to accept more dairy imports is a major sticking point in the talks, infuriating the United States as well as New Zealand, which has said it will not sign a deal that fails to open new dairy markets. (Photo by Christinne Muschi/Reuters)





A black cap capuchin monkey plays with some food in its enclosure at the Olmense Zoo in Olmen, Belgium, September 2, 2015. (Photo by Yves Herman/Reuters)





A leaf falls onto a horse's head during a sunny autumn day in a forest outside Almaty, Kazakhstan, October 2, 2015. (Photo by Shamil Zhumatov/Reuters)





A woman walks alongside dachshunds dressed as astronauts during a dachshund parade in St. Petersburg, Russia, Saturday, May 30, 2015. (Photo by Dmitry Lovetsky/AP Photo)





Sheep are led by shepherds through Madrid city center, Spain, Sunday, October 25, 2015. Shepherds guided a flock of around 2,000 sheep through Madrid streets in defense of ancient grazing, droving and migration rights increasingly threatened by urban sprawl and modern agricultural practices. (Photo by Francisco Seco/AP Photo)





A visitor holds up her toy bunny to the aquarium glass in front of Aurora the Russian polar bear at the Sao Paulo Aquarium in Sao Paulo, Brazil, Thursday, April 16, 2015. Two Russian polar bears, Aurora and Peregrino, were moved from the Kazan Zoo and arrived in the South American country in December. After four months of adaptation the two bears made their public debut Thursday. (Photo by Andre Penner/AP Photo)





In this photo taken Tuesday, August 18, 2015, a giraffe drinks at a watering hole at Melorani Safaris at Olifantsvallei, South Africa. In 1986 the landowner, Stewart Dorrington, turned his family cattle ranch, a three-hour drive north east of Johannesburg, into a wildlife reserve where he hosts about two-dozen bow and arrow hunters a year. (Photo by Denis Farrell/AP Photo)





A gull flips a herring in order to swallow it whole while flying away with a meal robbed from a delivery truck, Wednesday, July 8, 2015, in Rockland, Maine. Herring is primarily used for lobster bait, with a small percentage of it going to the sardine industry. (Photo by Robert F. Bukaty/AP Photo)





A keeper gives peanut to an orangutan inside a cage shortly after it arrived from Thailand at Halim Perdanakusuma airport in Jakarta, November 12, 2015. Fourteen orangutans smuggled into Thailand illegally were sent back to Indonesia on Thursday, but the operation was not without incident – one of the powerful apes tore a wildlife officer's finger off when he tried to put them in cages. (Photo by Reuters/Beawiharta)





Manchester Firefighter John Fusco gives a drink of water to the dog he rescued from a structure fire in Manchester Conn., on Friday June 12, 2015. Fusco rescued the dog from a bedroom on the second floor. The dog was taken by an animal control officer to a veterinarian to be checked out. No one was home at the time of the fire and it was quickly extinguished, the cause is still being investigated. (Photo by Jared Ramsdell/Journal Inquirer via AP Photo)





A boy stands outside his home with an iguana on his head in Salvador June 20, 2013. (Photo by Jorge Silva/Reuters)





Young stag deer clash antlers during the annual rut in Richmond Park in west London, Britain, October 16, 2015. The Royal Park has had Red and Fallow deer present since 1529, and early autumn sees the rutting or breeding season begin amongst the herd of over six hundred animals. (Photo by Toby Melville/Reuters)





A car is surrounded by sheep as they return home from grazing fields outside Tbilisi, Georgia, November 11, 2015. Twice a year, in spring at the start of the grazing season and in autumn at season's end, herds of sheep cross the country during a long march of hundreds of kilometres. (Photo by David Mdzinarishvili/Reuters)





Cezar, a 32 year-old polar bear eats a watermelon in its enclosure in Belgrade's zoo, Serbia July 20, 2015. Temperatures in Serbia have risen up to 40 degrees Celsius (104 degrees Fahrenheit), according to official meteorological data. (Photo by Marko Djurica/Reuters)





A three-days old bonobo baby sleeps on the belly of its mother Kutu in the zoo in Frankfurt, Germany, Tuesday, July 21, 2015. (Photo by Michael Probst/AP Photo)





Giant panda cubs are seen inside baskets at a giant panda breeding centre in Ya'an, Sichuan province, China, August 21, 2015. (Photo by Reuters/Stringer)





The wing of a Giant Owl butterfly is pictured at the San Diego Zoo Safari Park in San Diego, California, United States, March 13, 2015. (Photo by Mike Blake/Reuters)





A flamingo, which had its leg amputated, is pictured with its new prosthesis at Sorocaba Zoo in Sorocaba, Brazil, July 1, 2015. The Chilean flamingo was given a specially made prosthesis after a fracture in the left leg resulted in the bottom portion of the leg needing to be amputated to prevent an infection. (Photo by Paulo Whitaker/Reuters)





Lemurs eat at Qingdao Forest Wildlife World in Qingdao, Shandong province, China, January 27, 2015. (Photo by Reuters/China Daily)





A Thai veterinarian takes a picture of a 2-year-old orangutan during a health examination at Kao Pratubchang Conservation Centre in Ratchaburi, Thailand, August 27, 2015. (Photo by Athit Perawongmetha/Reuters)





A seal pup rests on a rocky point along the shoreline in La Jolla, California January 20, 2015. (Photo by Mike Blake/Reuters)





A chimpanzee drinks beverage to cool off the summer heat in Shenyang, Liaoning province, July 12, 2015. (Photo by Reuters/China Daily)





Lisa Vella-Gatt, 46, hugs an alpaca in her farm near Benfeita, Portugal May 11, 2015. Lisa came to Portugal from England in 2009 to set up Monte Frio Alpacas, a project where she breeds alpacas, which produce wool. Lisa's 14 alpacas produce about 50 kilos (110 pounds) of wool annually. (Photo by Rafael Marchante/Reuters)





A dog catches a frisbee during a dog frisbee competition in Moscow, September 13, 2015. Dogs and their owners took part in a variety of distance and accuracy tests during the competition to check their frisbee skills. (Photo by Sergei Karpukhin/Reuters)





A tropical fish swims in a fish tank as a passer-by walks at a business district in Tokyo, July 2, 2015. (Photo by Toru Hanai/Reuters)





A woman plays with a kitten inside of a line house in downtown Shanghai April 12, 2015. (Photo by Carlos Barria/Reuters)