Unlikely animal friendships

Unusual (and extremely adorable) friendships formed in the animal kingdom.

animals pairings

A baby rhesus macaque (Macaca mulatta) plays with a tiger cub at a zoo in Hefei, Anhui province, August 2, 2012. REUTERS/Stringer

In this photo taken on Friday, June 29, 2012, Siberian tiger cub Clyopa plays with cat Masyanya in the house of Yekaterina Khodakova, whose Shar Pei dog Cleopatra is breastfeeding Clyopa and her sibling Plyusha in the Black Sea resort of Sochi. The cubs were born in late May in a small zoo at the Oktryabsky resport in Sochi, but their mother refused to feed them. Fewer than 400 Siberian tigers have survived in the wild, most of them in the cedar forests of Russia's Far East. (AP Photo/Igor Yakunin)

animal pairings

A dog feeds a piglet in Shenyang Sheng Li / Reuters

animals pairings

A German Shephard dog known as 'Pepper' sits with two endangered Bengal Tiger cubs and a Cougar cub (R). A vet Zammit took the orphaned cubs into his care after their mothers rejected them as a result of recent heavy rains scaring them into focusing on their own survival. The vet's dog then stepped in to help them with supervising their cleaning and toilet training.

animal pairings

Morphy, a dog, and Cathey, a cat, play at a veterinary hospital in Hyderabad Krishnendu Halder / Reuters

Odd animal pairings

A monkey does a handstand on the head of a sheep during a performance at a temple fair held to celebrate the upcoming Chinese New Year.

animals pairings

A seven-months-old yellow baboon (Papio cynocephalus) carries a Galagos also known as a bushbaby at the Animal Orphanage in the Kenya Wildlife Service (KWS) headquarters in Nairobi, June 10, 2011. Defying nature, the Yellow Baboon, rescued in Maralal (northern Kenya) has quickly adopted a Galagos, rescued in Nyeri (central Kenya), after meeting at the orphanage giving it affection and protection as if it were her own offspring. Yellow baboons inhabits savannas and light forests in the eastern Africa while Galagos are small, nocturnal primates native to continental Africa. REUTERS/Thomas Mukoya

Odd animal pairings

A Ring-tailed Lemur (Lemur catta) and parrot are seen in their enclosure at the Hagenbeck Zoo in Hamburg

Odd animal pairings

Monkey and pal.

Odd animal pairings

A dog feeds two Siberian tiger cubs and her puppy at a zoo in Hefei

Odd animal pairings

A brown bear carries a dog during a show in a circus in the Siberian city of Krasnoyarsk

Odd animal pairings

A lion cub caresses a domestic cat as another lion rests in a private house in Kharkov

Odd animal pairings

A mouse rides on the back of a frog in floodwaters in the northern Indian city Lucknow

Odd animal pairings

PIGLET SLEEPS ON A TIGER AT SIRACHA ZOO.

Odd animal pairings

A dog feeds a Siberian Tiger cub inside a box at a zoo in Qingdao

Odd animal pairings

A FEMALE TIGER PLAYS WITH BABY PIGS AT A THAI ZOO.

Odd animal pairings

A brown bear carries a dog during a show in a circus in the Siberian city of Krasnoyarsk

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Owen and Mzee, a hippo and a tortoise, nap together in Kenya. These two even have their own book - Owen & Mzee: The True Story of a Remarkable Friendship. (Photo credit: Turtle Pond Publications / http://www.owenandmzee.com)

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Irma, an orangutan, and Dema, a Sumatran tiger, snuggle together at an animal hospital in Indonesia. (Photo credit: Getty Images)

Odd animal pairings

dog called "Shura" licks an orphaned roe deer it has befriended in the Simferopol zoo in Crimea

Odd animal pairings

A FEMALE CAT SHARES A MEAL WITH A MALE MOUSE IN PHICHIT.

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In 2009, zookeepers at Busch Gardens in Tampa, Florida noticed that Bea the giraffe and Wilma the ostrich were spending a lot of time together! (Photo credit: Associated Press)

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At a wildlife preserve in South Carolina, Suryia and Roscoe are inseperable. Suryia is an orangutan and Roscoe is a Blue Tick hound. (Photo credit: suryiaandroscoe.com)

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Clarence and Cindy have grown up together on the biggest alpaca farm in Austria. Clarence is a cattle dog and Cindy is the alpaca. (Photo credit: Associated Press)

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This photo was taken when a baby mallard duck wandered into the gorilla enclosure at the Bronx Zoo and was the winner of the Zoos Category in the Nature's Best Photography Windland Smith Rice International Awards. See more award-winning images and enter your own photos at www.naturesbestphotography.com (Photo Credit: Tom Warren)