Meet the unlikely animal friends that warmed our hearts this year

Throughout the last 12 months, these animals have shown just how strong their uncommon bonds can be.

From the lion cub and sea otter playing together to the rescue cat that comforted a dying cow, these animals have shown what the definition of friendship really is.

InsideEdition.com has taken a look back at some of the most unlikely animals that formed unbreakable bonds in 2016.

Read: This Lion and Otter Are Best Friends Despite Their Obvious Differences

In August, a lion and otter were first reported as a dynamic duo inside a Florida animal sanctuary.

Both animals were brought to the Zoological Wildlife Foundation in Florida at a very young age. Bosu the lion cub was donated to the conservation by Myrtle Beach Safari while Kappa the otter was acquired from an exchange program, Nurtured by Nature.

Although the two wouldn't cross paths in the wild, thanks to the volunteers at the conservation, Bosu and Kappa can chase each other's tails to their heart's content.

See more adorable unlikely pals:

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Unlikely animal best friends
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Unlikely animal best friends
(Photo by Inti St Clair via Getty Images)
(Photo by Mark Newman via Getty Images)
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Kruger National Park, South Africa. (Photo by Heinrich van den Berg via Getty Images)
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Friends sitting in the sun, Kalahari, South Africa
(Photo via Shutterstock)
A lamb and a cat playing draughts, watched over by a bantam, at Langford, Somerset. (Photo by Fox Photos/Getty Images)
Dog Poppy and meerkat Timon in the bath at their home on July 14, 2011 in Dronfield, England. This meerkat and dog have been inseparable ever since four-year-old Timon was sent packing by his meerkat mob. The friendly animal found comfort in the arms of owner John Bent's dog, Poppy, and the unlikely pair have formed a mob of their own - which includes John, his wife, Sally, and their two children. You wouldn't expect a meerkat to be friends with a dog, explained hospice service manager Sally. They tend to stick very much to their own kind. The couple, from Dronfield in Derbyshire, has a collection of exotic critters, which started with a pair of skunks three years ago. Since then their menagerie has grown to include meerkats, raccoons, coatis and kinkajous. However, it is the relationship between six-year-old Chihuahua-Maltese Terrier cross Poppy and Timon, which is most surprising. The are inseparable, said John, who owns a surface coating company. Timon came into the house and instantly struck up a relationship with Poppy, who is just about as small a dog as you can get. Now they do everything together. They go for walks together and play together until they fall asleep on the sofa together. (Photo by Nick Obank / Barcroft Media / Getty Images)
Shere Khan the tiger, Leo the lion and Baloo the bear play outside at the Noah Ark Rehabilitation Centre in LOCUST GROVE, GA. Known as the BLT, or Bear, Lion and Tiger, these most unusual and unlikely animal friends are having to go on a diet after being spoilt too much. For not only do Baloo the bear, Leo the Lion, and Shere Khan the tiger have an unnatural bond, they also have a remarkable appetite too. Devouring almost 100 pounds worth of meat and vegetables a week between them, the rescued big beasts had developed something of an obesity problem. Staff at Noah's Ark Animal Rehabilitation Centre in the state of LOCUST GROVE, GA, decided to stop indulging their favoured guests and to put them on a diet after they each gained 100lbs. (Photo by Barcroft USA / Getty Images)
KATMAI NATIONAL PARK, AK - UNDATED: ***EXCLUSIVE***A female coastal brown bear and one-year old grey wolf relax together after fishing for salmon at the Hallo Bay estuary in the Katmai National Park, Alaska. In the seemingly most unlikely animal partnership ever this wild brown bear and grey wolf look just like they are fishing buddies. Showing a heartwarming moment when the pair - both wild -decided to forget their differences, the bizarre duo took an end-of-day break together just three feet apart. Both had spent hours trying to land a big catch during the first day of the annual salmon run in the remote Alaskan wilderness at Hallo Bay estuary, Katmai National Park. The pair - a 700lb female bear and one-year-old wolf - were both spotted by photographer Chris Dodds, 42, from Franklin Centre, Canada. He said: 'They were just three feet apart and they didn't seem the slightest bit worried about each other. It was very unusual. They looked just like a pair of fishing buddies and stayed together like that for at least two hours.' (Photo by Christopher Dodds / Barcroft Media / Getty Images)
Great Egret standing on the back of an alligator . (Photo by: Universal Education/Universal Images Group via Getty Images)
Unlikely friends Green parrot dog and cat Venezuela. (Photo via Alamy)
(Photo by Les Stocker via Getty Images)
(Photo by Ger Bosma via Getty Images)
(Photo via Getty Images)
(Photo by GYRO PHOTOGRAPHY via Getty Images)
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Read: Cat Comforts Dying Cow During Last Hours of Its Life

There was also the touching story of a caring cat that noticed his friend, a cow, was dying from old age in January. He then stayed by his buddy's side until the very end, comforting the farm animal in her final hours.

Read: Baby Elephant Snuggles With Rescued Ostrich Who Thinks She's Part of the Herd

When a baby elephant was discovered at the bottom of a well in Kenya last September, it was barely a month old. But the rescued young calf found comfort in the wings of an orphaned ostrich.

The ostrich and the elephant became so close that the bird even started to believe she was just another elephant in the herd.

Read: Disabled Dog Brings Guinea Pig Bestie on a Ride in His Wheelchair Every Time He Goes Out

In October, the story of Rex the Boxer and his guinea pig friend was brought to the masses. Wherever Rex went, his guinea pig friend was closely in tow.

Rex has degenerative myelopathy, a spinal cord disease that causes him to slowly become paralyzed starting from the rear. To get around, the 10-year-old dog uses a wheelchair that supports his wobbly hind legs, but Smores the Guinea Pig has taken to hopping on and hitching a ride.

Read: Stray Cat Becomes Best Friends With Bear at Zoo: 'Wherever He Is, She's Not Far Off'

Over the summer, a bear and a cat became the best of friends and prove that opposites do indeed attract at the Folsom City Zoo Sanctuary in California.

Read: Rescued Calf and Puppy Are Inseparable: 'They Loved Each Other From Day One'

Inside a Colombian animal sanctuary is a love that only Shakespeare could have written. A puppy and calf have been inseparable since they were taken by the Juliana Animal Sanctuary earlier this year.

Rescue co-founder Juliana Castañeda Turner told InsideEdition.com that she was contacted by a small local dairy farm about a newborn bull that they didn't want.

"[He would have] no chance to have a normal life, because the dairy industry needs cows that give milk, not bulls," Castañeda said.

See more unusual pals:

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Unlikely best animal friends
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Unlikely best animal friends
The baby kitten sits on the Beagle's back trying to get his attention.
The three play at Noah Ark Rehabilitation Centre after their rescue in 2001.
They go for walks together and play together until they fall asleep on the sofa together.
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Watch: Pregnant Zookeeper Compares Growing Baby Bump to Different Exotic Animals at Her Zoo

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